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Rotatory   Listen
noun
Rotatory  n.  (Zool.) A rotifer. (R.)






Collaborative International Dictionary of English 0.48








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"Rotatory" Quotes from Famous Books



... the seeds which are curious, and which give to the tree the odd name of "volador," or "flier." These seeds have each a pair of membranaceous and striated wings, which, when the seeds fall, are turned to meet the air at an angle of 45 deg.; and thus a rotatory motion is produced, and the falling seeds turn round and round like little fly-wheels. It is altogether a curious sight when a large volador is shaken in calm weather, to see the hundreds of seeds whirling and wheeling ...
— Popular Adventure Tales • Mayne Reid

... the divining-rod is nothing but a symbol of the lightning, that exception will furnish such evidence. For this exceptional kind of divining-rod was made of a pointed stick rotating in a block of wood, and it was the presence of hidden water or treasure which was supposed to excite the rotatory motion. ...
— Myths and Myth-Makers - Old Tales and Superstitions Interpreted by Comparative Mythology • John Fiske

... The rotatory movement passed with the first whirl, but a hurricane, blowing with overcoming velocity, pressed like a wall against anything that strove to face it. Its hoarse raving filled Kenkenes' ears with ...
— The Yoke - A Romance of the Days when the Lord Redeemed the Children - of Israel from the Bondage of Egypt • Elizabeth Miller

... possessed of all knowledge and power, is especially seen ruling in all the forms of life. Its first appearance, and the only manifestation of it which Anaxagoras describes, is Motion. It originated a rotatory movement in the mass (a movement far exceeding the most rapid in the world as we know it), which, arising in one corner or point, gradually extended till it gave distinctness and reality to the aggregates of like ...
— Project Gutenberg Encyclopedia

... law of periodicity we are strongly impressed with the idea of rotatory or orbitual motion. Among the stars are several which, though in no way distinguishable from others by any apparent change of place, nor by any difference of appearance in telescopes, yet undergo a more or less regular periodical increase and ...
— The World's Greatest Books - Volume 15 - Science • Various

... variation in this step; but you can vary the movement by going backwards or forwards at pleasure, instead of continuing the rotatory motion. The Valse a Deux Temps, like the Polka, admits of a reverse step; but it is difficult, and looks awkward unless executed to perfection. The first requisite in this Valse is to avoid all jumping movements. The ...
— Routledge's Manual of Etiquette • George Routledge

... existence. They must suppose a creator then; and that he possessed power and wisdom to a great degree. As he intended the earth for the habitation of animals and vegetables, is it reasonable to suppose, he made two jobs of his creation, that he first made a chaotic lump, and set it into rotatory motion, and then waited the millions of ages necessary to form itself? That when it had done this, he stepped in a second time, to create the animals and plants which were to inhabit it? As the hand of a creator is to be called in, it may as well be called in at one stage of ...
— Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson - Volume I • Thomas Jefferson

... true direction of the Sun, but that it always returned to that direction, and passed over to the opposite side, so that both the cone of light and the body of the comet from whence it emanated experienced a rotatory, or, rather, a vibratory motion in the plane of the orbit." He finds that "the attractive force exercised by the Sun on heavy bodies is inadequate to explain such vibrations, and is of opinion that they indicate a polar force, which turns one semi-diameter ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt

... whole clan can, after they have, by common consent, determined upon rules, exercise in days to come control, in the order of the branches, over the affairs connected with the landed property, revenue, ancestral worship and school maintenance for the year (of their respective term.) Under this rotatory system, there will likewise be no animosities; neither will there be any mortgages, or sales, or any of these numerous malpractices; and should any one happen to incur blame, his personal effects can be confiscated by Government. But the properties, from which will be derived the funds ...
— Hung Lou Meng, Book I • Cao Xueqin

... gravitating forces have been at work. Those nebulae (and clusters) which are most perfect in the globular form, have been longest exposed to central forces. The planetary nebulae are the oldest in our system. They must have a rotatory motion on ...
— Sir William Herschel: His Life and Works • Edward Singleton Holden

... impelling boats by steam-engines. Dr. Franklin proposed to force forward the boat by the immediate application of the steam upon the water. Many attempts to simplify the working of the engine, and more to employ a means of dispensing with the beam in converting the libratory into a rotatory motion, were made. For a short time, a passage-boat, rowed by a steam-engine, was established between Borden-town and Philadelphia, but it was soon laid aside. The best and most powerful steam-engine which has been employed for this purpose—excepting, perhaps, ...
— Great Fortunes, and How They Were Made • James D. McCabe, Jr.

... only as a remote cause of the complaint, which, but for that temperament, would be inadequate to its production. The Persians employed a very rough means of counteracting the bad consequences of a poison of this sort. They drenched the wounded person with milk, and then, by a violent rotatory motion in a suspended box, compelled ...
— The Black Death, and The Dancing Mania • Justus Friedrich Karl Hecker

... surrounded by an atmosphere which, in virtue of an excessive heat, extended far beyond the orbits of all the planets, the planets as yet having no existence. The heat gradually diminished, and as the solar atmosphere contracted by cooling, the rapidity of its rotation increased by the laws of rotatory motion, and an exterior zone of vapour was detached from the rest, the central attraction being no longer able to overcome the increased centrifugal force. The zone of vapour might in some cases retain its form, as we still see in Saturn's ring; ...
— An Expository Outline of the "Vestiges of the Natural History of Creation" • Anonymous

... presently take outside and kill. Lorne watched him make it, envying him his assurance; and Miss Milburn was aware that he watched and aware that he envied. The room filled with gaiety and movement: Mr Milburn, sidling dramatically along the wall to escape the rotatory couples, admonished Mr Murchison to get a partner. He withdrew himself from the observation of Miss Dora and Mr Winter, and approached a young lady on a sofa, who said "With very great pleasure." When the dance was over he re-established the young lady on ...
— The Imperialist • (a.k.a. Mrs. Everard Cotes) Sara Jeannette Duncan

... in one direction, and you cannot persuade it to go the other. These circular movements seem almost to resemble those of the planets about their centre, all things down to the ether seem to have a rotatory motion; and some foreign plants which he grew send their far-extended tendrils round and round with so patent a movement that you can see it hour by hour like the hand of a clock. Perhaps the little book on ...
— Field and Hedgerow • Richard Jefferies

... understand it any better, it is not for want of what is called "reasoning by illustration." Amongst other resemblances, there are moments when, to a quiet contemplator, it suggests the image of one of those rotatory entertainments commonly seen in fairs, and known by the name of "whirligigs or roundabouts," in which each participator of the pastime, seated on his hobby, is always apparently in the act of pursuing some one before him, while he is pursued by some one behind. Man, and woman too, are naturally ...
— The International Magazine, Volume 2, No. 2, January, 1851 • Various

... simplified its parts, and secured greater directness of action. His new engine was called the Pyramidal, because of its form, and was the first move towards what are now called Direct-acting Engines, in which the lateral movement of the piston is communicated by connecting-rods to the rotatory movement of the crank-shaft. Mr. Nasmyth says of it, that "on account of its great simplicity and GET-AT-ABILITY of parts, its compactness and self-contained steadiness, this engine has been the parent of a vast progeny, all more or less marked ...
— Industrial Biography - Iron Workers and Tool Makers • Samuel Smiles

... into violent collision again on the lee-side, where, the air being more or less still, a considerable portion of the wind is forcibly driven back towards the barchan, corroding its side in a double rotatory way, each such circle having for a diameter the radius of the barchan crescent containing them. In fact in many barchans the sand ripples on the windward slopes cross the direction of the wind at right angles. A line of sand formed in ...
— Across Coveted Lands - or a Journey from Flushing (Holland) to Calcutta Overland • Arnold Henry Savage Landor

... rest, that there is 'effervescence' who doubts? Effervescence enough; Decrees passed by acclamation to-day, repealed by vociferation to-morrow; temper fitful, most rotatory changeful, always headlong! The 'voice of the orator is covered with rumours;' a hundred 'honourable Members rush with menaces towards the Left side of the Hall;' President has 'broken three bells in succession,'—claps ...
— The French Revolution • Thomas Carlyle

... a brown coloured clay) is put into a large calabash, and mixed with a sufficient quantity of water. The woman, whose office it is, then shakes the calabash in such a manner, as to mix the sand and water together, and give the whole a rotatory motion; at first gently, but afterwards more quick, until a small portion of sand and water, at every revolution, flies over the brim of the calabash. The sand thus separated is only the coarsest particles mixed with a little muddy water. After the operation ...
— Life and Travels of Mungo Park in Central Africa • Mungo Park

... they consisted would become liquid or solid. The known law of gravitation would then cause them to agglomerate in masses, which would assume the shape our planets actually exhibit; would acquire, each round its own axis, a rotatory movement; and would in that state revolve, as the planets actually do, about the sun, in the same direction with the sun's rotation, but with less velocity, and each of them in the same periodic time which the sun's rotation occupied when his atmosphere extended ...
— Blackwood's Edinburgh Magazine, No. CCCXXXVI. October, 1843. Vol. LIV. • Various

... considerable mass of air to be suddenly transferred from beyond the tropics to the equator, the difference of the rotatory velocity proper to the two situations would be so great as to produce not merely a wind, but a —— of the ...
— English Synonyms and Antonyms - With Notes on the Correct Use of Prepositions • James Champlin Fernald

... I did. I had seen and enjoyed everything that the plate recalled to me, and had beheld with admiration how the rotatory motion which keeps this ball of ours in its place in the great scheme, with all its busy mites upon it, was necessary throughout the process, and could only be dispensed with in the fire. So, listening to the plate's reminders, and musing upon them, I got through the evening after all, and ...
— Reprinted Pieces • Charles Dickens

... revolution of the barrels and the discharge of the piece; this patent goes back to 1829-1830. Colonel Colt first endeavoured to make a number of barrels revolve by raising the hammer, but the weight of the barrels suggested a return to the old rotatory cylinder, for which he took out a patent in 1835; and in 1836 he took out another patent for obtaining the rotatory motion by drawing back the trigger, and he subsequently introduced the addition of a lever ramrod fixed on to the barrel. Col. Colt came to the conclusion ...
— Lands of the Slave and the Free - Cuba, The United States, and Canada • Henry A. Murray

... moment half of them were in action, enough to keep the "Albatross" fixed to the shore by the taut cable. But the two propellers had suffered, and more than Robur had thought. Their blades would have to be adjusted and the gearing seen to by which they received their rotatory movement. ...
— Rubur the Conqueror • Jules Verne

... relief, as he shook Mr Dombey by the hand, imparting to that peaceful action as defiant a character as if it had been the prelude to his immediately boxing Mr Dombey for a thousand pounds a side and the championship of England. With a rotatory motion of his head, and a wheeze very like the cough of a horse, the Major then conducted his visitor to the sitting-room, and there welcomed him (having now composed his feelings) with the freedom and ...
— Dombey and Son • Charles Dickens

... comprise representatives of all types except Vertebrates, and to belong in part to the Vegetable Kingdom, Siebold, Leuckart, and other modern zooelogists, have considered them as a primary type, and called them Protozoa; but this is as great a mistake as the other. The rotatory motion in them all is produced by an apparatus that exists not only in all animals, but in plants also, and is a most important agent in sustaining the freshness and vitality of their circulating fluids and of ...
— Atlantic Monthly, Vol. 9, No. 52, February, 1862 • Various



Words linked to "Rotatory" :   rotate, revolutionary



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