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Density   /dˈɛnsəti/  /dˈɛnsɪti/   Listen
Density

noun
1.
The amount per unit size.  Synonym: denseness.
2.
The spatial property of being crowded together.  Synonyms: compactness, concentration, denseness, tightness.



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"Density" Quotes from Famous Books



... same as that of increasing the thickness in the same ratio. In a similar way the absorption of light in the coloured gas chlorine is found to be unaltered if the thickness is reduced by compression, because the density is increased in the same ratio that the thickness is reduced. This is not strictly the case, however, for such gases and vapours as exhibit well-defined bands of absorption in the spectrum, as these bands are altered in character ...
— Project Gutenberg Encyclopedia

... spiritually nervous, in Westminster Abbey or Notre Dame. The vast enclosed clearness has much to do with the idea. There are no shadows to speak of, no marked effects of shade; only effects of light innumerably—points at which this element seems to mass itself in airy density and scatter itself in enchanting gradations and cadences. It performs the office of gloom or of mystery in Gothic churches; hangs like a rolling mist along the gilded vault of the nave, melts into bright interfusion the mosaic scintillations ...
— Italian Hours • Henry James

... fat slumber upon its corn sacks and die snoring: or, alternatively, lacking these valorous alarms and excursions it might become self-satisfied and formularized, and be crushed to death by the mere dull density of virtue. Next to good the most valuable factor in life is evil. By the interaction of these all things are possible, and, therefore (or for any other reason that pleases you) let us wave a friendly hand in ...
— Mary, Mary • James Stephens

... the levee, disappearing in the darkness. Grandemont followed as well as he could, calling to him, but in vain. For longer than an hour he pursued the search. Descending the side of the levee, he penetrated the rank density of weeds and willows that undergrew the trees until the river's edge, shouting Victor's name. There was never an answer, though once he thought he heard a bubbling scream from the dun waters sliding past. Then the storm broke, and he returned to ...
— Roads of Destiny • O. Henry

... seizure never, however, occurs while the subject is in the caisson, or in other words, while he remains under pressure. Moreover, when the transition from the condensed atmosphere to that of ordinary density is gradually accomplished, which may be done by letting the air escape from the lock very slowly, the caisson disease is rarely if ever set up. It is the systematic disregard of this principle by those who work in compressed air that is responsible, or largely responsible, ...
— Scientific American Supplement No. 822 - Volume XXXII, Number 822. Issue Date October 3, 1891 • Various

... & CO., Chemists, 289. Strand, have, by an improved mode of Iodizing, succeeded in producing a Collodion equal, they may say superior, in sensitiveness and density of Negative, to any other hitherto published; without diminishing the keeping properties and appreciation of half tint for which their manufacture has ...
— Notes and Queries, Number 223, February 4, 1854 • Various

... probable that the insects were caught for some special purpose. Fortunately a crucial test occurred to me, that of placing a large number of leaves in various nitrogenous and non-nitrogenous fluids of equal density; and as soon as I found that the former alone excited energetic movements, it was obvious that here was a ...
— The Life and Letters of Charles Darwin, Volume I • Francis Darwin

... either giddy or fascinated, often rush into the face of inevitable destruction: even the birds, except these of very strong wing, seldom escape. Some, particularly the partridge, become stupified; and the density of the smoke, the rapid velocity of the flames, and the violence of the winds, effectually ...
— Twenty-Seven Years in Canada West - The Experience of an Early Settler (Volume I) • Samuel Strickland

... any object depends upon its physical attributes, viz: Size, weight, color, form, texture, density, etc. ...
— How to Become Rich - A Treatise on Phrenology, Choice of Professions and Matrimony • William Windsor

... muskeg, already green and fair to the eye, an alluring pasture to the unwary. An experienced eye might have judged it too green—too alluring. Could a more perfect trap be devised by evil human ingenuity than this? Think for one instant of a bottomless pit of liquid soil, absorbing in its peculiar density. Think of all the horrors of a quicksand, which, embracing, sucks down into its cruel bosom the despairing victim of its insatiable greed. Think of a thin, solid crust, spread like icing upon a cake and concealing the soft, spongy matter beneath, covering every portion of the cruel plain; ...
— The Story of the Foss River Ranch • Ridgwell Cullum

... giving vent to many a hearty laugh. But he is writing for Catholics and Established Church people, and high-toned, antiquated, conservative gentility, whom it is a delight to him to help you shock, while he pretends to shake his head with owlish density. He is a magnificent ...
— The $30,000 Bequest and Other Stories • Mark Twain

... position above the copper. One tray is placed on top of the other, the upper tray resting on the corners of the zinc plate which rise above the level of the top of the flat vessel. Thus connection is assured without wires or binding posts. It is charged like a gravity battery. The density of the zinc sulphate solution should be between 1.10 and 1.30. The circuit must be kept closed to prevent deposition of metallic copper on the zinc. The entire disposition of the battery is ...
— The Standard Electrical Dictionary - A Popular Dictionary of Words and Terms Used in the Practice - of Electrical Engineering • T. O'Conor Slone

... sports writer has this to say: "Few woods come as close as walnut to fulfilling all the demands of a good gunstock: beauty of grain, workableness with cutting tools, resistance to warpage, weight or density in proportion to strength." ...
— Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting • Various

... while here and there was a vessel, to all appearance, pursuing its path in the sky, and not upon the sea. It was, as some of my readers will not require to be told, a still, gray forenoon, with a film of cloud over all the heavens, and many horizontal strata of deeper but varying density near ...
— The Vicar's Daughter • George MacDonald

... measuring the density of the population. I count from forty to sixty mole-hills on a surface of one square yard. The encampment is three paces wide and stretches over nearly three-quarters of a mile. How many Halicti are there in this Babylon? I do not venture ...
— Bramble-bees and Others • J. Henri Fabre

... the northern hemisphere, and subsequently Sir John Herschel, using his father's telescope at the Cape of Good Hope, found an almost exactly similar increase of apparent star density for the southern hemisphere. According to his estimates, the total number of stars in both hemispheres that could be seen distinctly enough to be counted in this telescope would probably be about ...
— The New Heavens • George Ellery Hale

... and Mr. Lin Darton were gathered into a corner of the room and an occasional whispering escaped them. The oppression was terrific. I began to want Lisbeth, to long for her to come, as she would come, like a cool blade cutting through density. And yet—I was not sure. I found myself staring through the black, shiny surface of the window, seeking relief in the obscuring dark. It gave little vision, except its own distorted reflections, but I could distinguish vaguely the outlines of the old mill with the shadowly raft in the high ...
— The Best Short Stories of 1921 and the Yearbook of the American Short Story • Various

... none; columella lessening upward, sometimes attaining the apex of the sporangium, sometimes dissolved in capillitial threads some distance below; capillitium of rich brown threads forming the usual inner network of medium density, with many wide expanded nodes, the surface net made up of delicate, almost colorless threads surrounding small polygonal meshes; spore-mass ferruginous, spores by transmitted light very pale, brownish, ...
— The North American Slime-Moulds • Thomas H. (Thomas Huston) MacBride

... upon the original impulse given to it by a breech-loading gun, carried at the requisite depth below the water level in a torpedo boat. This gun, having a feeble charge of powder at a low gravimetric density, fires the torpedo, and, it is said, succeeds in sending it many yards, and with a sufficient terminal velocity to explode the charge by impact. Also, in the United States, experiments have been made with a compressed air gun of 40 feet in length and 4 inches in diameter (probably by this ...
— Scientific American Supplement, No. 488, May 9, 1885 • Various

... 7.9 in Connecticut, 1 to 7.6 in Rhode Island, and 1 to 6 in Massachusetts. At present New Jersey has one mile of railroad to every 3.79 square miles, and therefore leads all the States in the Union in density of railroad track. ...
— The Railroad Question - A historical and practical treatise on railroads, and - remedies for their abuses • William Larrabee

... seized upon him, and he was being borne away he knew not whither. No effort of his was of the least avail, and on, on, he was borne, and round and round he was turned with the velocity of lightning, until he grew dizzy and faint, and the density of the waters, acting upon the drums of his ears, became almost insupportably painful, imparting a sensation as though the head was between two iron plates, and a screw was being turned which compressed it tighter and tighter ...
— The Circassian Slave; or, The Sultan's Favorite - A Story of Constantinople and the Caucasus • Lieutenant Maturin Murray

... maimed or mutilated; and, though most of its avenues of communication with the world were cut off, it began to manifest itself through the others. As soon as she could walk, she began to explore the room, and then the house. She thus soon became familiar with the form, density, weight, and heat of every article she could lay her hands upon. She followed her mother, and felt of her hands and arms, as she was occupied about the house, and her disposition to imitate led her to repeat every thing herself. ...
— Popular Education - For the use of Parents and Teachers, and for Young Persons of Both Sexes • Ira Mayhew

... distinguished from the European frontier—a fortified boundary line running through dense populations. The most significant thing about the American frontier is, that it lies at the hither edge of free land. In the census reports it is treated as the margin of that settlement which has a density of two or more to the square mile. The term is an elastic one, and for our purposes does not need sharp definition. We shall consider the whole frontier belt, including the Indian country and the outer margin of the "settled area" ...
— The Frontier in American History • Frederick Jackson Turner

... fast to the dock of Frankfort, on the Michigan coast, a small place with a population of about 1,000, romantically situated. Taking our departure from the town on the following morning, we observed that the fog, covering the surrounding landscape with a thick, impenetrable veil, increased in density until it seemed as if from moment to moment additional tints of sombre gray were united to the haze. In fact, after a while we were unable to discern the outline of the coast, having to pursue our way with ...
— By Water to the Columbian Exposition • Johanna S. Wisthaler

... his heels, and soon disappeared in the neighbouring scrub. We rode the whole day through a Bricklow thicket, which, in only three or four places, was interrupted by narrow strips of open country, along creeks on which fine flooded-gums were growing. The density of the scrub, which covered an almost entirely level country, prevented our seeing farther than a few yards before us, so that we passed our landmark, and, when night approached, and the country ...
— Journal of an Overland Expedition in Australia • Ludwig Leichhardt

... That thin sheets of ice are formed in clear and calm weather, even in the open sea and over great depths, was observed several times during the expedition of 1868. But when we consider that salt water has no maximum of density situated above the freezing-point, that ice is a bad conductor of heat, and that the clear, newly-formed ice is soon covered by a layer of snow which hinders radiation, it appears to me to be improbable that the ice-covering at deep, open places can become so thick that it is not broken up even ...
— The Voyage of the Vega round Asia and Europe, Volume I and Volume II • A.E. Nordenskieold

... snow covered the ground, and her footsteps could be traced at intervals where she had diverged from the beaten track. In that part of the road where the trees were thickest, there were marks of two pair of feet leaving the path; but owing to the density of the trees at that spot and to the slightness of the fall of snow, which did not reach the soil, where shaded by the pines, the footprints were immediately lost. By the following morning a heavy fall had obliterated any further traces which ...
— The Book of Were-Wolves • Sabine Baring-Gould

... along them, and partly along the side of the steep, went driving a procession of yellow vapoury clouds from the sea-quarter towards the mountain Scawfell. Their colours I have called yellow, but it was exquisitely varied, and the shapes of the rocks on the summit of the ridge varied with the density or thinness of the vapours. The effect was most enchanting; for right above was steadfastly fixed a beautiful rainbow. We were a party of seven, Mrs. Wordsworth, my daughter, and Miss Fenwick included, and it would be difficult to say who was most delighted. The Abbey of Furness, as you well ...
— The Prose Works of William Wordsworth • William Wordsworth

... The avenues extended in all directions, a double file of lights. Those around the monument illuminated its gigantic bases and the feet of the sculptured groups. Further up, the vaulted spaces were so locked in shadow that they had the black density of ebony. ...
— The Four Horsemen of the Apocalypse • Vicente Blasco Ibanez

... determined with any accuracy, even if we could see it in the other planets. Of Venus we probably see only the upper surface of its cloudy atmosphere.[1] As regards Jupiter and Saturn this is still more certain, since their low density will only permit of a comparatively small proportion of their huge bulk being solid. Their belts are but the cloud-strata of their upper atmosphere, perhaps thousands of miles above their solid surfaces, and a somewhat similar condition ...
— Is Mars Habitable? • Alfred Russel Wallace

... plane, or embankment of clay, very wet and adhesive. The prints of the man's footsteps were deeply impressed upon the clay, and therefore easily traced up to the summit of the embankment; but it was perceived at once that pursuit would be useless, from the density of the mist. Two feet ahead of you, a man was entirely withdrawn from your power of identification; and, on overtaking him, you could not venture to challenge him as the same whom you had lost sight of. Never, through the course of a whole century, could there be a night expected ...
— The Notebook of an English Opium-Eater • Thomas de Quincey

... volatility, viscosity, stability, etc. It must not be so volatile as to have a dangerously low flashing-point, nor so stable as to hinder its burning well. In this fractional distillation a vast variety of products are now obtained. Gasolene is among the lighter products, with a density of about 0.65; kerosene has a density of about 0.80; the lubricating-oils from 0.85 to 0.95; and there are many solids such as vaseline and paraffin which are widely used for many purposes. This process of refining oils is now the source of paraffin ...
— Artificial Light - Its Influence upon Civilization • M. Luckiesh

... principally at the port of Bakou, the natives, who are fire-worshipers, throw liquid naphtha on the surface of the sea, which buoys it up, its density being inferior to that of water. Then at nightfall, when a layer of mineral oil is thus spread over the Caspian, they light it, and exhibit the matchless spectacle of an ocean of fire undulating and breaking into ...
— Michael Strogoff - or, The Courier of the Czar • Jules Verne

... an intense beam of sound is projected from it. The siren is operated under a pressure of seventy-two pounds of steam, and can be heard, under favorable circumstances, from twenty to thirty miles. "Its density, quality, pitch, and penetration render it dominant over such other noises after all other signal-sounds have succumbed." It is made of various sizes or classes, the number of slits in its throat-disk ...
— Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885 • Various

... overview: One of the poorest countries in the world, landlocked Burkina Faso has a high population density, few natural resources, and a fragile soil. About 90% of the population is engaged in (mainly subsistence) agriculture which is highly vulnerable to variations in rainfall. Industry remains dominated by unprofitable government-controlled corporations. Following the ...
— The 2000 CIA World Factbook • United States. Central Intelligence Agency.

... "specific inductive capacity," is found to be very large, something like 50 times that of air or free ether; whereas for glass it is only 5 or 6 times that of free space. The dielectric constant of a substance generally increases with the density or massiveness of its molecule,—indeed, the value of this constant is one of the methods whereby matter displays its interaction with and loading of the free ether of space,—and any such density as the conventional nine times that ...
— Life and Matter - A Criticism of Professor Haeckel's 'Riddle of the Universe' • Oliver Lodge

... The seed should be sown in a drill 1 inch deep, the plants thinned to stand 12 inches in the row. Give the same culture as for corn. One ounce will sow 40 feet of drill. Dwarf varieties are best for the North. Green Density and ...
— Manual of Gardening (Second Edition) • L. H. Bailey

... ought in imagination to take a thick layer of transparent tissue, with spaces filled with fluid, and with a nerve sensitive to light beneath, and then suppose every part of this layer to be continually changing slowly in density, so as to separate into layers of different densities and thicknesses, placed at different distances from each other, and with the surfaces of each layer slowly changing in form. Further, we must suppose that there is a power represented by natural selection, or ...
— What is Darwinism? • Charles Hodge

... copper-pipe laid at the bottom of the evaporating vessels, which should be large and shallow, and wholly unlike those in present use. Here it may be rapidly boiled down till the heat rises to about 225 deg., without risk of burning. When cold, it should have a density of about 1.38, and mark the 38th degree of Baume's hydrometer; beyond which point of inspissation it would be dangerous to go. The remaining concentration will be most safely conducted in the vacuum ...
— The Commercial Products of the Vegetable Kingdom • P. L. Simmonds

... from the observations I have made, we were probably right so far; but if you recollect, I accounted for the mysterious daily rise and set of the sun, if I may use the words, by changes in the density of the atmosphere bending the solar rays, and making the disk appear to rise and sink periodically, though in reality it does nothing of the kind. A similar effect is well-known on the earth. It produces the 'after glow' on the peaks of the ...
— A Trip to Venus • John Munro

... who, in glittering armlets, stood behind, holding feathered canopies to shield their mistresses from the sun. All this confusing concourse of wealth and poverty each moment increasing in breadth, and density, as every avenue emptied new swarms into the packed arena, until it seemed as though not only all Rome, but half ...
— Continental Monthly , Vol V. Issue III. March, 1864 - Devoted to Literature and National Policy • Various

... xenon, krypton, and volcanic carbon dioxide. It would be expanded far upward above the surface, because the feeble lunar gravity could not give it sufficient weight to compress it very much. So it would thin out much less rapidly with altitude than does the terrestrial atmosphere. From a density of perhaps 1/12,000th of Earth's sea level norm at the Moon's surface, it would thin to perhaps 1/20,000th at a height of eighty miles, being thus roughly equivalent in density to Earth's gaseous envelope ...
— The Planet Strappers • Raymond Zinke Gallun

... demographical conditions, conditions concerning the distribution and density of the population, have an influence upon crime. In general there is more crime in the cities than in the country districts. The statistics of all civilized countries seem to show about twice as great a percentage of crime in their large cities ...
— Sociology and Modern Social Problems • Charles A. Ellwood

... density of man, "What made him run off that way, the night he was hurt? Why didn't he come back in the ...
— The Gentleman From Indiana • Booth Tarkington

... peculiarities of build in the individual struck, such as thickness and density of the integument and fasciae, strength and ...
— Surgical Experiences in South Africa, 1899-1900 • George Henry Makins

... of the density of the growth, Jack often found it difficult to advance, and many times he was obliged to make long detours in order to reach ...
— Jack North's Treasure Hunt - Daring Adventures in South America • Roy Rockwood

... that she never swam with such delight as on that day. The water seemed to be peculiarly thin and clear, she said, as well as tranquil, and to retain its usual buoyancy without its density. It gave a delicious sense of freedom; she seemed to swim in air, and felt singularly secure. For the first time she felt what she had always wished to experience,—that swimming was as natural as walking, ...
— Malbone - An Oldport Romance • Thomas Wentworth Higginson

... not at all. It is not, properly speaking, weight which is the cause of this retardation, since the boats are going down and not upwards; but it is the same cause which also increases the weight in bodies that have greater density, which are, that is to say, less porous and more charged with matter that is proper to them: for the matter which passes through the pores, not receiving the same movement, must not be taken into ...
— Theodicy - Essays on the Goodness of God, the Freedom of Man and the Origin of Evil • G. W. Leibniz

... March 5 (p. 408) Prof. Mayer suggests an improvement in our method of determining the mean density of the earth, from which it appears that our plan has not been properly understood. This misunderstanding, no doubt, has arisen from the incomplete description of our method given in the Nature (Jan. 15. p. 260) report of the Proceedings ...
— Scientific American Supplement, No. 492, June 6, 1885 • Various

... tendency. The natural and perspicuous expression which spontaneously rises to the mind will often refuse to accommodate itself to such a form. It is necessary either to expand it into weakness, or to compress it into almost impenetrable density. The latter is generally the choice of an able man, and was assuredly the ...
— The Miscellaneous Writings and Speeches of Lord Macaulay, Vol. 1 (of 4) - Contibutions to Knight's Quarterly Magazine] • Thomas Babington Macaulay

... hulls are manufactured from boilerplate steel, whose relative density is 7.8 times that of water. The first hull has a thickness of no less than five centimeters and weighs 394.96 metric tons. My second hull, the outer cover, includes a keel fifty centimeters high by twenty-five wide, ...
— 20000 Leagues Under the Seas • Jules Verne

... is, the variation of the rays of light from their direct course, occasioned by the difference of density in the atmosphere. ...
— A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery • Benziger Brothers

... atoms are not very close together the body they compose is loose in texture, while if they are closer together the body is firmer. For instance, air is less dense than water, and water than earth, and earth than steel. You see at once by this that the more density a thing has the heavier it is; for as a body is attracted to another body by every atom or particle in it, so if it has more particles it will be more strongly attracted. Thus on the earth the denser things are really heavier. But 'weight' ...
— The Children's Book of Stars • G.E. Mitton

... lowlands that are adjacent to good harbors, as a rule are the most thickly peopled regions of the world. In many such regions the density of population exceeds two hundred or more per square mile. The reason is obvious. Life seeks that environment which yields the greatest amount of nutrition with the ...
— Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway

... anxiety, neither sight nor sound having reached us to indicate her whereabouts, when thin wreaths of light brown smoke appeared rising above the bush and trees about a mile away, the smoke rapidly increasing in density and volume, and darkening in colour, until it became quite apparent that a serious conflagration was raging at no great distance. When the smoke at first appeared, there was some question in the mind of the captain whether it might not be the work of the people who ...
— The Pirate Slaver - A Story of the West African Coast • Harry Collingwood

... its prodigious size, being nearly eleven times larger than your Earth, but whose density is proportionately less, might well be styled the ...
— The Planet Mars and its Inhabitants - A Psychic Revelation • Eros Urides and J. L. Kennon

... history when water, in a liquid state, made its appearance on the cooled crust of the earth, the carbon probably existed as carbonic acid dispersed in the atmosphere; and from the very best of grounds, it is reasonable to assume that the density and electric condition of the atmosphere were quite different, as also the chemical and physical nature of the primeval ocean was quite different. In any case, therefore, even[15] if we do not know anything more about it, there remains the ...
— Was Man Created? • Henry A. Mott

... only trouble (At least his worst) was this, his rib's propensity; For sometimes from the ale-house he would hobble, His senses lost in a sublime immensity Of cogitation—then he couldn't cobble— And then his wife would often try the density Of his poor skull, and strike with all her might, As fast as kitchen ...
— The Humourous Poetry of the English Language • James Parton

... outgrown. Save for some such old associations as these, why should it be supposed that matter becomes "spriritualized" as it diminishes in apparent substantiality? Why should matter be pronounced respectable in the inverse ratio of its density or ponderability? Why is a diamond any more chargeable with "grossness" than a cubic centimetre of hydrogen? Obviously such fancies are purely of mythologic parentage. Now the luminiferous ether, upon which our authors make such extensive demands, may be physically ...
— The Unseen World and Other Essays • John Fiske

... density of sirup is also affected by the amount and rapidity of evaporation that takes place in boiling, and these, in turn, depend on the amount of surface that is exposed. For instance, if a sirup is cooked in a large, flat kettle, the evaporation will ...
— Woman's Institute Library of Cookery, Vol. 5 • Woman's Institute of Domestic Arts and Sciences

... light, and are distinguished by the different amounts and quantities of light which they reflect. A dense cloud which appears nearly black when between the observer's eye and the sun, owing to the degree of density with which it intercepts the light, may become brilliantly white when the sun's rays fall upon its constituent particles, for the light which cannot penetrate the cloud is continually reflected to and from the surface of its minute parts. ...
— Color Value • C. R. Clifford

... material vision. But when we try to put these "beautiful things made new, for the delight of the sky-children" on paper or canvas, in motionless marble or flexible rhyme,—we are weighted by grosser air and the density of bodily feeling. So it was with Angela Sovrani, iwhose compact little head were folded the splendid dreams of genius like sleeping fairies in a magic cave;—and thoughtful and brilliant though she was, she could not, in her great tenderness for her affianced lover Florian ...
— The Master-Christian • Marie Corelli

... to accomplish the picture of this garden, she can lay a claim to some ingenuity, will she ever be able to succeed in effecting a painting? This garden resembles a regular picture. The rockeries and trees, towers and pavilions, halls and houses are, as far as distances and density go, neither too numerous, nor too few. Such as it is, it is fitly laid out; but were you to put it on paper in strict compliance with the original, why, it will surely not elicit admiration. In a thing like this, it's ...
— Hung Lou Meng, Book II • Cao Xueqin

... motion ... or less than the laws that follow the thief the liar the glutton and the drunkard through this life and doubtless afterward ... or less than vast stretches of time or the slow formation of density or the patient upheaving of strata—is of no account. Whatever would put God in a poem or system of philosophy as contending against some being or influence is also of no account. Sanity and ensemble characterize the great master ... spoilt in one principle ...
— Prefaces and Prologues to Famous Books - with Introductions, Notes and Illustrations • Charles W. Eliot

... plenty of power and about the right density, but, unless you get a rather big stick—too big for all-round usefulness,—it is apt to snap. The hazel is perhaps rather too stiff, and it is certainly too light, though for this very reason it is handy. Then, ...
— Broad-Sword and Single-Stick • R. G. Allanson-Winn

... slowly flowing water. But a fan alternately compresses and rarefies the air between it and the cheek, and the violence of a destructive gust in a gale of wind means a momentary increase in velocity and density of which I cannot myself in the least explain,—and find in no book on ...
— The Storm-Cloud of the Nineteenth Century - Two Lectures delivered at the London Institution February - 4th and 11th, 1884 • John Ruskin

... is no hope; it's absolute necessity. Our population density is fifteen hundred to the square mile. We must expand or smother. There'll be too little food to eat, ...
— Sjambak • John Holbrook Vance

... number of bold hills and deep ravines. Most of the fences are high posts-and-rails or "snake" fences, although there is an occasional stone wall, haha, or water-jump. The steepness of the ravines and the density of the timber make it necessary for a horse to be sure-footed and able to scramble anywhere, and the fences are so high that none but very good jumpers can possibly follow the pack. Most of the ...
— Hunting the Grisly and Other Sketches • Theodore Roosevelt

... though it be as ample as the ocean, does not always similarly swell in crystallising. It has, however, its point of maximum density, but this, not infrequently, is also ...
— The Darrow Enigma • Melvin L. Severy

... is based," he added, "is that a mass of tempered steel may be impressed with and will retain magnetic fluxes varying in density and in sign in adjacent portions of its mass. There are no indentations on the wire or the steel disk. Instead there is a deposit of magnetic impulse on the wire, which is made by connecting up an ordinary telephone transmitter with the electromagnets and talking through the coil. ...
— The Dream Doctor • Arthur B. Reeve

... descend from the azure between two wings, the radiant knight of the future? Will she forever summon in vain to her assistance the lance of light of the ideal? Is she condemned to hear the fearful approach of Evil through the density of the gulf, and to catch glimpses, nearer and nearer at hand, beneath the hideous water of that dragon's head, that maw streaked with foam, and that writhing undulation of claws, swellings, and rings? Must it remain there, without a gleam of light, without hope, given over to that ...
— Les Miserables - Complete in Five Volumes • Victor Hugo

... all substances and with processes in which the molecules remain intact, the chemist is restricted to those processes in which the molecules undergo some change. For example, the physicist determines the density, elasticity, hardness, electrical and thermal conductivity, thermal expansion, &c.; the chemist, on the other hand, investigates changes in composition, such as may be effected by an electric current, by heat, or when two or more substances ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 - "Chtelet" to "Chicago" • Various

... The artist excelled in his treatment of clouds, and by regulating the action of his windlass he could direct their movements, now permitting them to rise slowly from the horizon and sail obliquely across the heavens and now driving them swiftly along according to their supposed density and the power ascribed to the wind. The lightning quivered through transparent places in the sky. The waves carved in soft wood from models made in clay, coloured with great skill, and highly varnished to reflect the lightning, rose and fell with irregular ...
— A Book of the Play - Studies and Illustrations of Histrionic Story, Life, and Character • Dutton Cook

... conglutination, agglutination, agglomeration; aggregation; consolidation, set, cementation; sticking, soldering &c. v.; connection; dependence. tenacity, toughness; stickiness &c. 352; inseparability, inseparableness; bur, remora. conglomerate, concrete &c. (density) 321. V. cohere, adhere, stick, cling, cleave, hold, take hold of, hold fast, close with, clasp, hug; grow together, hang together; twine round &c. (join) 43. stick like a leech, stick like wax; stick close; cling like ivy, cling like a bur; adhere like a remora, adhere like Dejanira's shirt. ...
— Roget's Thesaurus

... hoard that would keep him out of the poorhouse when she died and left him to his own devices. It never occurred to her that he was in any way remarkable. If he were difficult to understand, it reflected more upon his eccentricity than upon her density. What was a woman to do with a boy of twelve who, when she urged him to drop the old guitar he was taking apart and hurry off to school, cried, "Oh, mother! when there is so much to learn in this world, it is wicked, wicked, ...
— A Village Stradivarius • Kate Douglas Wiggin

... he selected a spot where the tall coarse herbage stood most erect, growing not unlike a bed of reeds, both in height and density. Here he entered, singly, directing the others to follow as nearly as possible in his own footsteps. When they had paused for some hundred or two feet into the wilderness of weeds, he gave his directions to Paul and Middleton, who continued a direct route ...
— The Prairie • J. Fenimore Cooper

... quantity and easy to acquire, it was a possession that was generally increasing in value. Of course wasteful methods of farming wore out some lands, especially in the South; but, taking it by and large throughout the country, with time and increasing density of population the value of the land was increasing. The acquisition of land was a matter of investment or at least of speculation. In fact, the purchase of land was one of the favorite get-rich-quick schemes of ...
— The Fathers of the Constitution - Volume 13 in The Chronicles Of America Series • Max Farrand

... different temperatures or specific gravities find themselves on opposite sides of a screen or other medium, of muslin, cloth, or some more or less porous substance, they diffuse themselves through this medium with varying rapidity, until they become of equal density or temperature. Therefore, if we fill the upper part of a window (which can be opened, downward) with a strained piece of fine muslin or washed common calico, the air in the room, if hotter than the external air, will, when the window is more or less opened, pass out ...
— Scientific American Supplement, No. 514, November 7, 1885 • Various

... for the average person to grasp just how much information can be packed into a city covering ten thousand square miles with a population density equal to that of Manhattan. How long would it take the hypothetical Man From Mars to investigate New York or London if he had only the City to work with, if he found them just as they stand except ...
— Dead Giveaway • Gordon Randall Garrett

... everywhere, and this one offered no marked exception to my previous experiences. The methods pursued on the march were the same as we would employ, with one most important exception. Owing to the density of population throughout France it was always practicable for the Germans to quarter their troops in villages, requiring the inhabitants to subsist both officers and men. Hence there was no necessity for camp ...
— The Memoirs of General P. H. Sheridan, Complete • General Philip Henry Sheridan

... liquid helium, has no electrical resistance. In other words, no matter how great a current is sent through it, there is no resistance, and no heat is produced to raise the temperature. What we do is to send a powerful current through a lead wire. The wire has a current density so huge that the atoms are destroyed, and the protons and electrons coalesce into pure radiant energy. Relux, under the influence of a magnetic field, converts this directly into electrical potential. Electricity we can convert to the spatial strain in the ...
— Invaders from the Infinite • John Wood Campbell

... approach brought to the scene the dwellers in the houses and the wanderers in the streets. And amongst the great density of forms and faces I saw the phosphorescent figures of many forming spirits swept on in this friendly anarchy of ...
— The Certainty of a Future Life in Mars • L. P. Gratacap

... apart, and at the end of the run the voltmeter across the terminals read 20. This gives a current density of nearly 1/4 ampere per square inch and 0.11 watt per cubic inch. These values are too low to be considered maximum values, for this cross section of a 10 per cent. salt solution would probably carry 13 to 15 ...
— Scientific American Supplement, No. 1157, March 5, 1898 • Various

... bushes, was really a line of stunted willows and alders that seemed to have gradually sunk into the level of the plain, but increased in size farther inland, until they grew to the height and density of a wood. Seen from the channel it had the appearance of a green cape or promontory thrust upon the Marsh. Passing through its tangled recesses, with the aid of some unerring instinct, the two companions ...
— The Heritage of Dedlow Marsh and Other Tales • Bret Harte

... signs of human supervision. A considerable area was occupied by flower-beds, laid out with geometrical regularity and stiffness; and the low box-wood hedges along their borders had a density and preciseness of outline which showed that they had been recently trimmed. Stone vases of magnificent design were placed at regular intervals along the balustrade; and in the middle projection of the terrace ...
— Ilka on the Hill-Top and Other Stories • Hjalmar Hjorth Boyesen

... it appears that the inhabited houses in England and Wales amount to 1,574,902, and the population to 9,343,578, which gives an average of 5.875 to each house, in a country where the density of population is certainly less considerable than in Ireland. It is commonly supposed that two-fifths of the army and navy are Irishmen, at periods when political disaffection does not avert the Catholics ...
— Peter Plymley's Letters and Selected Essays • Sydney Smith

... them closely. The fog was thick in the air, and the tobacco smoke from his pipe added to its density; the furniture at the far end stood mistily, and where the shadows congregated in hanging clouds under the ceiling, it was difficult to see clearly at all; the lamplight only reached to a level of five feet from the floor, above which came layers of comparative ...
— Lords of the Housetops - Thirteen Cat Tales • Various

... jostled, obstructed, and endangered by men hoarse and weary with cheering his name, some of them bandaged and bloody in his cause. The frontage of the wind-vane offices was illuminated by some moving picture, but what it was he could not see, because in spite of his strenuous attempts the density of the crowd prevented his approaching it. From the fragments of speech he caught, he judged it conveyed news of the fighting about the Council House. Ignorance and indecision made him slow and ineffective in his movements. For a time ...
— When the Sleeper Wakes • Herbert George Wells

... fertility. This condition the oriental peoples have met, and they have solved it in their way. We may never adopt particular methods, but we can profit vastly by their experience. With the increase of personal wants in recent time. the newer countries may never reach such density of population as have Japan and China; but we must nevertheless learn the first lesson in the conservation of natural resources, which are the resources of the land. This is the message that Professor King ...
— Farmers of Forty Centuries - or, Permanent Agriculture in China, Korea and Japan • F. H. King

... final destruction of all things by fire, as having reference to the orb of the earth alone. But in regard to the immediate agency of the ruin, speculation had been at fault from that epoch in astronomical knowledge in which the comets were divested of the terrors of flame. The very moderate density of these bodies had been well established. They had been observed to pass among the satellites of Jupiter without bringing about any sensible alteration either in the masses or in the orbits of these secondary planets. We had long regarded the wanderers as vapoury creations of inconceivable tenuity, ...
— Blackwood's Edinburgh Magazine, Volume 62, Number 385. November, 1847. • Various

... and gloomy, and the density increased as the week passed. My mother had drilled me well in my lines, and my big sister was lavish in her praise, but the awful ordeal of standing up before the whole school was yet ...
— Little Journeys To the Homes of the Great, Volume 3 (of 14) • Elbert Hubbard

... and billions of tons of sand. Imagine this sand tearing along at ninety, a hundred, a hundred and twenty, or any other number of miles per hour. Imagine, further, this sand to be invisible, impalpable, yet to retain all the weight and density of sand. Do all this, and you may get a vague inkling of what that wind was like. Perhaps sand is not the right comparison. Consider it mud, invisible, impalpable, but heavy as mud. Nay, it goes beyond that. Consider every molecule of air to be a mud-bank in itself. Then try to imagine ...
— Stories from Everybody's Magazine • 1910 issues of Everybody's Magazine

... engage the affections of its neighbours. So late as in 1700 the Italian Gemelli told all Europe that he could find nothing among us but our writings to distinguish us from a people of barbarians. It was long considered that our genius partook of the density and variableness of our climate, and that we were incapacitated even by situation from the enjoyments of those beautiful arts which have not yet travelled to us—as if Nature herself had designed to disjoin us from more polished ...
— Literary Character of Men of Genius - Drawn from Their Own Feelings and Confessions • Isaac D'Israeli

... may be satisfied, in placing two Pieces of Iron, one near, and the other at a Distance from the Loadstone; the nearest Piece will be strongly attracted, while that at a greater Distance is but weakly affected. Now supposing the Air only of an equal Density thro'out when we have left the Earth, (which, by the Reflection of Heat from the Mountains, rarifies the circumambient Air, and renders it more subtle than that above it) we may respire without Pain; for in less than Six Hours I, ...
— A Voyage to Cacklogallinia - With a Description of the Religion, Policy, Customs and Manners of That Country • Captain Samuel Brunt

... and all compartments: air pressure, density, temperature, and purity optimum; all intrinsic gear optimum; three shuttler berths vacant; hold shows standard environmental equipment for one team gone; messenger racks full, no programming apparent; absolutely no ...
— Attrition • Jim Wannamaker

... and punched it through the calculator. "Observe," he said in a dry, didactic voice. "The diameter is on the order of five times ten to the fourteenth micromicrons." He kept punching at the calculator. "If we assume a mean density of two point six six times ten to the minus thirty-sixth metric tons per cubic micromicron, we attain a mean mass of some one point seven four times ten to the eleventh kilograms." More punching, while he kept his eye on the meteorite, waiting for the spot ...
— Anchorite • Randall Garrett

... rushing across the sky, increasing in numbers and density. Even before the men were off the yards, the hurricane struck the frigate. Over she heeled to it, till it seemed as if she would not rise again; but the spars were sound, the ropes good. Gradually she again righted, ...
— Ben Hadden - or, Do Right Whatever Comes Of It • W.H.G. Kingston

... in this world for twenty-five centuries to an extent not reached, nor likely to be reached very soon, by any river, however corpulent, of his own land. The glory of the Thames is measured by the density of the population to which it ministers, by the commerce which it supports, by the grandeur of the empire in which, though far from the largest, it is the most influential stream. Upon some such scale, and not by a transfer of Columbian standards, is the course of ...
— Miscellaneous Essays • Thomas de Quincey

... Gogh. Mr. Brownell once wrote: "We only care for facts when they explain truths," and the facts of Cezanne have that merit. He is truthful to the degree of eliminating many important artistic factors from his canvases. But he realises the bulk and weight of objects; he delineates their density and profile. His landscapes and his humans are as real as Manet's; he seeks to paint the actual, not the relative. There is strength if not beauty—the old canonic beauty—and in the place of the latter may be found rich colour. A master of values, Cezanne. After all, ...
— Ivory Apes and Peacocks • James Huneker

... expressive gesture, for long habit had almost robbed him of his native vivacity. His companion, Domingo, climbed the opposite wall of the ravine and stretched himself at full length in a niche where there was room for a man to lie. Some tufts of rough grass grew there in sufficient density to conceal his head while he peered between the stalks. They could see him quite plainly, but no one wanted to speak. Though the unceasing wash of a heavy swell against the rocks would have drowned the noise ...
— The Stowaway Girl • Louis Tracy

... measurements. That's why we were out there so long. They were cross-checked about five times. I got sick so I climbed into a spacesuit and went outside and took some photographs of the Sun which I hoped would help to determine hydrogen density in the outer regions. When I got back everything was ready. We disposed ourselves about the control room and relaxed for all we were worth. We were all praying that this time nothing would go wrong, and all looking forward to seeing Earth again after four months subjective time away, except for ...
— Accidental Death • Peter Baily

... liquid, the handle of a teaspoon in a cup of water appears broken, and objects seen through a glass of water may seem distorted and changed in size. When light passes from air into water, or from any transparent substance into another of different density, its direction is changed, and it emerges along an entirely new path (Fig. 64). We know that light rays pass through glass, because we can see through the window panes and through our spectacles; we know that light rays pass through ...
— General Science • Bertha M. Clark

... The density of population is also a determining factor with regard to many phases of community life, for it is obviously much easier to carry on many community activities where the people live fairly close together and not very far from the community center, ...
— The Farmer and His Community • Dwight Sanderson

... in their relation to thickness of fur and lustre, were those taken during the winter months, particularly February, at which period the maximum of density and beauty had been reached. Then, notwithstanding the sudden and fitful variations of temperature incident to our mid-continent climate, the old hunters were especially active, and accepted unusual risks to procure as many ...
— The Old Santa Fe Trail - The Story of a Great Highway • Henry Inman

... politics. There are nearly 100 cotton spinning and weaving mills, employing over 100,000 operatives, congregated mostly in the northern suburbs of the city. Huddled together in huge tenements this compact population affords by its density, as well as by its ignorance, a peculiarly accessible field to the trained agitator. Tilak's emissaries, mostly Brahmans of the Deccan, brought, moreover, to their nefarious work the added prestige of a caste which seldom condescends to rub shoulders with those whose mere contact ...
— Indian Unrest • Valentine Chirol

... of the city may be placed at 100,000, living in 20,000 houses, built on 4,000 acres of land,—an average of 25 persons to an acre. This may be considered a large population for the space occupied, but, since the effect of density on vitality tells only determinately when it reaches a certain extreme degree, as in Liverpool and Glasgow, the estimate may ...
— Hygeia, a City of Health • Benjamin Ward Richardson

... glass-screen g is the same. I thus obtain beautiful fiducial lines, which I can vary from extreme faintness to extreme brilliancy, by turning the gas lower or higher, according to the brightness of the image of the portrait, which itself depends on the density of the transparency that I am engaged upon. This arrangement seems as good as can be. It affords a gauge of the density of the negative, and enables me to regulate the burners behind it, until the image ...
— Inquiries into Human Faculty and Its Development • Francis Galton

... crops in due order, but in leaving the forest proper as it is, and in planting foodstuffs haphazard wherever a tiny space can be made for even three hills of corn or a single banana. Thus they add to rather than subtract from the typical density of the jungle. At first, we found, it took some practice to tell a farm when we ...
— The Land of Footprints • Stewart Edward White

... soil in superabundance, the roots, being inactive, are certain to sustain some degree of injury; and if it is applied in excess to the atmosphere in the form of vapour, the exhalations from the leaves of the plants will be checked in consequence of the density of the medium that surrounds them when they will be sure ...
— In-Door Gardening for Every Week in the Year • William Keane

... course to steer. At one moment the wind would set towards Sicily, but the next, the North Wind, prevailing on the Italian coast, would drive the unlucky vessel hither and yon; and, what was more dangerous than all the rain-squalls, a pall of such black density blotted out the light that the helmsman could not even see as far forward as the bow. At last, as the savage fury of the sea grew more malignant, the trembling Lycas stretched out his hands to me imploringly. "Save us from destruction, Encolpius," he shouted; "restore that sacred robe ...
— The Satyricon, Complete • Petronius Arbiter

... desperate pressure, her sheath bursts open. She clutches the end of it, like the skirt of a dress, flings into it her animals and her flower-wreaths, then goes back into the darkness; and in the distance voices murmur, grumble, roar, cry, or bellow. The density of the night is increased by the winds. A warm shower begins to fall in ...
— The Temptation of St. Antony - or A Revelation of the Soul • Gustave Flaubert

... thus hung over the adjoining seas and islands. Such was the thickness and density of these atmospheric volumes of Krakatoa dust that, for a hundred miles around, the darkness of midnight prevailed at midday. Then the awful tragedy of Krakatoa took place. Many thousands of the unfortunate inhabitants of the adjacent shores of Sumatra and ...
— The San Francisco Calamity • Various

... research party sent out by my father's father, the Jeddak of Helium, to rechart the air currents, and to take atmospheric density tests," replied the fair prisoner, in a ...
— A Princess of Mars • Edgar Rice Burroughs

... unmanageable and under the sole governance of the currents which ran in strong eddies between the masses of ice. Our consorts were also seen, the Wear being within hail and the Eddystone at a short distance from us. Two attempts were ineffectually made to gain soundings, and the extreme density of the fog precluded us from any other means of ascertaining the direction in which we were driving until half-past twelve when we had the alarming view of a barren rugged shore within a few yards towering ...
— The Journey to the Polar Sea • John Franklin

... precision the part allotted to it, there is yet reason to believe that the hopes inspired by this favourable commencement would not have been disappointed. But the face of the country, and the darkness of the morning produced by a fog of uncommon density, co-operating with the want of discipline in the army, and the derangements of the corps from the incidents at Chew's house, blasted their flattering appearances, and defeated ...
— The Life of George Washington, Vol. 2 (of 5) • John Marshall

... fact of the tiger being at home, and the only question was "how to beat him out." The jungle was quite a mile in length without a break in its terrible density; it was about half a mile in width, bounded upon one side by the cleared level ground in cultivation, and on the other by the high grass jungle we had left, but this had been partially scorched along the edge in ...
— Wild Beasts and their Ways • Sir Samuel W. Baker

... in high-speed steel as a "scavenger," thereby producing a more homogeneous product, of greater density and physical strength. It soon became evident that vanadium used in larger quantities than necessary as a scavenger imparted to the steel a much greater cutting efficiency. Recently, no less an authority than Prof. J. O. Arnold, ...
— The Working of Steel - Annealing, Heat Treating and Hardening of Carbon and Alloy Steel • Fred H. Colvin

... very variable in its density, and had been lifting and settling at times during the day of the capture. By the time the two vessels were ready to get under way, it had become more solid than before. The night had come, and the darkness with it, at about the same time. The lookouts were ...
— On The Blockade - SERIES: The Blue and the Gray Afloat • Oliver Optic

... have furnished us with our best regulated methods of measuring time: and he who has made himself master of the nature and affections of the logarithmick curve, is not aware that he has advanced considerably towards ascertaining the proportionable density of the air at its various distances from the surface ...
— Life Of Johnson, Volume 4 (of 6) • Boswell

... of about twenty thousand square miles, and something over five million inhabitants, with the greatest density of population on the coast between Amsterdam, in the north, and Rotterdam, in the south, and the fewest in numbers in the region immediately to ...
— The Automobilist Abroad • M. F. (Milburg Francisco) Mansfield

... primitive, power-hungry active electrical device, similar in function to a FET but constructed out of glass, metal, and vacuum. Characterized by high cost, low density, low reliability, high-temperature operation, and high power dissipation. Sometimes mistakenly called a 'tube' in the U.S. or a 'valve' in England; ...
— The Jargon File, Version 4.0.0

... density of his voice and a certain gray film in his face that he felt the awful gravity of the situation; but he was calm and ...
— Alice of Old Vincennes • Maurice Thompson

... no little apprehension that the professor prepared to take his first flight aboard the ship in the realms of the new world. He knew little or nothing of the conditions he might meet with, the density of the atmosphere, or how the Mermaid would behave under another environment than that ...
— Five Thousand Miles Underground • Roy Rockwood

... has ever got done. One can well believe the story of the northern engineer who, when brought over to plan out a railroad, shook his head at the first sight of the 'high woods.' 'At home,' quoth he, 'one works outside one's work: here one works inside it.' Considering the density of the forests, one may as easily take a general sketch of a room from underneath the carpet as of Trinidad from the ground. However, thanks to the energy of a few gentlemen, who found occasional holes in the carpet through which they could peep, the survey ...
— At Last • Charles Kingsley

... race or creed, religious freedom, and the opportunity to play some part in the political life of the state is naturally attractive. Some come to escape military service, others with the idea of making money and returning to their native land. Density of population and the accompanying excessive competition in the struggle for ...
— History of the United States, Volume 6 (of 6) • E. Benjamin Andrews

... instances of no importance) to manufacture any stone of the same colour as the genuine and at the same time of the same specific gravity. Either the colour and characteristics suffer in obtaining the required weight or density, or if the colour and other properties of an artificial stone are made closely to resemble the real, then the specific gravity is so greatly different, either more or less, as at once to stamp the jewel as false. In the very few exceptions ...
— The Chemistry, Properties and Tests of Precious Stones • John Mastin

... circumstances that change the actual density of the air, making it more rarefied at one point than another, produce currents, the force and direction of which depend upon the relative position of hot and cold atmospheric beds. Again, the winds acquire the temperature and characteristics of the ...
— Willis the Pilot • Paul Adrien

... specific gravity of the air he seems to be amusingly uncertain,—making it first 833 times and afterwards 770 times less than that of water; and in the same connection he says, in chosen phrase, that 'density, or closeness, is another quality of the atmosphere,'—as if it were its characteristic, and not common to ...
— Atlantic Monthly, Volume 6, Issue 35, September, 1860 • Various

... emotions, of passions, and of senses, as well as of all forms in earth and sky and sea. This, and much more, he attempts to clothe in concrete forms or symbols, and if he fails at times to be explicit, it is conceivable that the fault may lie as much with our density as with his obscurity. Indeed, when we speak of Blake's obscurity, we are uncomfortably reminded of Crabb Robinson's naive remark when recording Blake's admiration for Wordsworth's Immortality Ode: "The parts ... which ...
— Mysticism in English Literature • Caroline F. E. Spurgeon

... their density, crept slowly away on every side, as if reluctantly giving place to the sunlight. The surface of the river grew lighter, and took on it the cold gleam of ...
— Creatures That Once Were Men • Maxim Gorky

... inquiries as to the strength of boilers have led to his being frequently called upon to investigate the causes of boiler explosions, on which subject he has published many elaborate reports. The study of this subject led him to elucidate the law according to which the density of steam varies throughout an extensive range of pressures and atmospheres,—in singular confirmation of what had before been provisionally calculated from the mechanical theory of heat. His discovery ...
— Industrial Biography - Iron Workers and Tool Makers • Samuel Smiles



Words linked to "Density" :   bits per inch, rarity, flux, bpi, dense, spacing, distribution, tenuity, absorbance, spatial arrangement



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