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Indicator   /ˈɪndəkˌeɪtər/   Listen
Indicator

noun
1.
A number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time.  Synonyms: index, index number, indicant.
2.
A signal for attracting attention.
3.
A device for showing the operating condition of some system.
4.
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction.



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"Indicator" Quotes from Famous Books



... her her eye caught the jumping indicator, and she smiled a grim smile. "Faith, in two-shilling jumps like that I'll be bankrupt afore I've my hand on the tails of that coat." And with a tired little sigh she leaned back in the corner, closed her eyes, and relaxed her grip on ...
— Seven Miles to Arden • Ruth Sawyer

... said that the voice was nearer the soul than any other expressive part of us. It is certainly a very striking indicator of the state of the soul. If we accustom ourselves to listen to the voices of those about us we detect more and more clearly various qualities of the man or the woman in the voice, and if we grow sensitive to the strain in our own voices and drop it at once when ...
— Nerves and Common Sense • Annie Payson Call

... glancing at the displayed names. He had almost reached the Clerkenwell end of the Garden when his eye was caught by the name of "Austin Wendover, Dealer in Oriental Stones," gleaming in white letters on the blackboard indicator of a set of offices hived in a building on the corner of a side street. It was the name of the man he was searching for. He turned into the passage, and mounted the ...
— The Hand in the Dark • Arthur J. Rees

... into the sea we should never have known what had destroyed us. She was circling round in the hope of dropping a second one, but we shoved on all speed ahead, crammed down the rudders, and vanished into the side of a roller. I kept the deflection indicator falling until I had put fifty good feet of water between the aeroplane and ourselves, for I knew well how deeply they can see under the surface. However, we soon threw her off our track, and when we came to the surface near ...
— Danger! and Other Stories • Arthur Conan Doyle

... got my arms round the very gentlewoman at this moment.' He lowered the end of the coffin he was holding, wiped his face, and throwing a morsel of rotten wood upon another as an indicator, continued: 'That's her husband there. They was as fair a couple as you should see anywhere round about; and a good-hearted pair likewise. Ay, I can mind it, though I was but a chiel at the time. She fell in love with this young man of hers, and their banns were ...
— A Pair of Blue Eyes • Thomas Hardy

... consists of a wide rectangular board, forming the base, from the center of which rise two wooden posts held together at the top by a narrow flat piece of metal. To each post is connected a horizontal metal rod—the indicator—which runs up and down by means of a casing, also of metal. This metal casing is made in one piece with the indicator, to the end of which is fixed an india-rubber ball. On one side, that is to say, behind one of the two tall vertical wooden posts, there is a small seat, also of wood. The two tall ...
— Dr. Montessori's Own Handbook • Maria Montessori

... Watt also invented the "Counter," with its several indexes. Among his leading improvements, introduced at various periods, were the throttle-valve, the application of the governor, the barometer or float, the steam-gauge, and the indicator. The term during which he seems to have thus combined the greatest maturity with the greatest activity of intellect, and the portion of his life which they comprehended, was from his fortieth to his fiftieth year. Yet it was a term ...
— Great Men and Famous Women. Vol. 6 of 8 • Various

... long course of years that mark the progress of the race, it has lost much of its original significance as a body covering against the elements, but even in its present reduced capacity, it is a good and true indicator of certain deficiencies in the blood and in the functions of ...
— Valere Aude - Dare to Be Healthy, Or, The Light of Physical Regeneration • Louis Dechmann

... few minutes under the tongue of a normal, healthy person, the mercury will rise to about 98.4 deg. F. If the temperature of the body registers several degrees above or below this point, a physician should be consulted immediately. The temperature of the body is a trustworthy indicator of general physical condition; hence in all hospitals the temperature of patients is carefully ...
— General Science • Bertha M. Clark

... surface, but as the periscope and the indicator had been destroyed, it was impossible to tell precisely where she was. On the other hand, to unscrew the hatch and look out would subject the boat to the risk of being flooded. Finally, the engineer reported that it was necessary to replace the cylinder, but ...
— The Literary World Seventh Reader • Various

... the layman he has in the scales a good indicator of the normal progress of his child and so long as growth is normal he can fairly assume that the diet is adequate but if the scales say otherwise it is time for him to seek advice and then he is wise who insures that his medical adviser knows the newer aspects of ...
— The Vitamine Manual • Walter H. Eddy

... a loud clap of thunder. When the confusion was over, the Court Astrologer was found to have turned into an eight-day clock, with a sun, moon, and stars arrangement, a planetary indicator, and a calendar calculated for two thousand years. The banquet ended rather gloomily, although the gifts of the other fairies, such as health, wealth, and beauty, managed to make ...
— The Firelight Fairy Book • Henry Beston

... beneath the white locks of Thorwaldsen was such an one,—the eye of immortal youth, the indicator of the man's whole aspect in a future sphere. We have scanned such eyes closely; when near, we saw that the lids were red, the corners defaced with ominous marks, the orb looked faded and tear-stained; but when we retreated far enough for its ray to reach ...
— Woman in the Ninteenth Century - and Kindred Papers Relating to the Sphere, Condition - and Duties, of Woman. • Margaret Fuller Ossoli

... "keep it in mind for a few minutes now. Look here! In this bag are forty five-franc pieces—altogether they weigh exactly a kilogramme; by which I mean that if we were on the earth, and I were to hang the bag on the hook of the steelyard, the indicator on the dial would register one kilogramme. This is clear enough, ...
— Off on a Comet • Jules Verne

... life, in which things, and men's impressions of them, were ever "coming to be," alternately consumed and renewed. That continual change, to be discovered by the attentive understanding where common opinion found fixed objects, was but the indicator of a subtler but all-pervading motion—the sleepless, ever-sustained, inexhaustible energy of the divine [131] reason itself, proceeding always by its own rhythmical logic, and lending to all mind and matter, in turn, what life they ...
— Marius the Epicurean, Volume One • Walter Horatio Pater

... furnished for the purpose, and files it at the desk in this room. A numbered ticket is handed him, which he takes into the Main Reading Room, going to the right if the ticket number is odd; to the left if the number is even. He then waits at the indicator at the western end of the delivery desk until the number on his ticket appears. This means that his books are ready for him at the desk. If, however, he prefers first to select a seat in the Main Reading Room, he should write the number ...
— Handbook of The New York Public Library • New York Public Library

... Jawn, without looking around, and he let out a tremendous yell of "At 'em, boys!" The men on the tender promptly raised an uproar, the fireman shouted as he jerked the whistle cord, and Jawn sat with one eye on the indicator, the other on the approaching headlight, his bass voice all the while roaring out a fiery ...
— The Short Line War • Merwin-Webster

... come on!" There were other moments of supreme joy when they were blown to their feet and backs were impartially pounded. More than once they might have been observed, with brandishing fists, shouting, "Robber! Robber! Robber!!!" at the unperturbed man behind the plate who merely looked at an indicator in his hand and resumed his professional crouch quite as if ...
— Bunker Bean • Harry Leon Wilson

... whose real name, it seems, is Boldero, but who has been entertaining the town for the last twelve months, with some very pleasant lucubrations, under the assumed signature of Leigh Hunt[1], in his Indicator, of the 31st January last, has thought fit to insinuate, that I Elia do not write the little sketches which bear my signature, in this Magazine; but that the true author of them is a Mr. L——b. Observe the critical period ...
— The Works of Charles and Mary Lamb, Volume 2 • Charles Lamb

... There was no sign of light in the great building—no workmen or slaves anywhere. There was just the great coils, with the streamers of blue light bridging them and emitting the high-pitched, monotonous hum audible outside the dome, and the complicated control board with its quivering indicator needles and mysterious levers. That ...
— The Red Hell of Jupiter • Paul Ernst

... and brought it down on the butcher's counter so hard that the meat scales danced, and the indicator jerked nervously across the face of the dial, weighing a half pound of anger. The butcher leaned back against the shopping block, and gently caressed the handle of his cleaver. He pointed to the ...
— Kilo - Being the Love Story of Eliph' Hewlitt Book Agent • Ellis Parker Butler

... instrument called the indicator, which is a miniature cylinder and piston attached to the cylinder cover of the main engine, and which indicates, by the pressure exerted on a spring, the amount of pressure or vacuum existing within the cylinder. ...
— A Catechism of the Steam Engine • John Bourne

... building was quite deserted as they entered, the night-watchman invisible, the night elevator on its way to the roof—as was discovered by consultation of the indicator dial above the gate. Hickey punched the ...
— The Brass Bowl • Louis Joseph Vance

... distinguishing feature of the telegraphs used in Great Britain is, that they are of the class known as oscillating telegraphs,—that is, telgraphs in which the letters are denoted by the number of motions to the right or left of a needle or indicator. Those of France are of the class called dial telegraphs, in which an index, or needle, is carried around the face of a dial, around the circumference of which are placed the letters of the alphabet; any particular letter being designated by the brief stopping of the needle. ...
— The Atlantic Monthly, Volume V, Number 29, March, 1860 - A Magazine Of Literature, Art, And Politics • Various

... building out of cases and tarpaulins for certain of his work. He brought a lamp (not a primus) into the hut, and tried to make it work. He spent some time in the morning on this, and after lunch Nelson joined him. The lamp was fitted with an indicator to show the pressure obtained by pumping. Nelson was pumping, kneeling at the end of the table next the bulkhead which divided the officers' and men's quarters: his head was level with the lamp, and the indicator was not showing a high pressure. Wright ...
— The Worst Journey in the World, Volumes 1 and 2 - Antarctic 1910-1913 • Apsley Cherry-Garrard

... engine-room mechanism. Then he went to the telephone, and located the man in charge of the depot. "Hello—Mr. Fort speaking; Reblong isn't able to come to the phone." He winked at the man in the chair. "There's something wrong with the fuel indicator. Shut off the supply for a while, ...
— The Devolutionist and The Emancipatrix • Homer Eon Flint

... bridge ran hidden telegraph lines to the bow, stern engine-room, crow's-nest on the foremast, and to all parts of the ship where work was done, each wire terminating in a marked dial with a movable indicator, containing in its scope every order and answer required in handling the massive hulk, either at the dock or at sea—which eliminated, to a great extent, the hoarse, nerve-racking ...
— The Wreck of the Titan - or, Futility • Morgan Robertson

... outer office recalled Livingstone from his reverie. He aroused himself, almost with a start, and glanced at the gilt clock just above the stock-indicator. He had been so absorbed that he had quite forgotten that he had told the clerks to wait for him. He had had no idea that he had been at work so long. He reflected, however, that he had been writing charity-cheques: the clerks ...
— Santa Claus's Partner • Thomas Nelson Page



Words linked to "Indicator" :   gnomon, cursor, reference, alpha-naphthol test, chemical science, coloring material, fact, pilot light, business index, colouring material, stock index, pilot lamp, level, pointer, body mass index, fuel gauge, scale, color, spirit level, point of reference, BMI, stock market index, chemistry, indicate, test paper, short account, dial, sign, index, annunciator, price index, signal, Molisch's test, Molisch reaction, Molisch test, tidemark, price level, reference point, device, signaling, colour



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