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Variable   /vˈɛriəbəl/   Listen
Variable

noun
1.
Something that is likely to vary; something that is subject to variation.
2.
A quantity that can assume any of a set of values.  Synonym: variable quantity.
3.
A star that varies noticeably in brightness.  Synonym: variable star.
4.
A symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity.
adjective
1.
Liable to or capable of change.  "Variable winds" , "Variable expenses"
2.
Marked by diversity or difference.  Synonym: varying.  "Nature is infinitely variable"
3.
(used of a device) designed so that a property (as e.g. light) can be varied.  "Variable filters in front of the mercury xenon lights"



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"Variable" Quotes from Famous Books



... is preserved as printed. Variable spelling and inconsistent hyphenation is preserved as printed across different pieces, but has been made consistent within pieces if there was a prevalence of one form. Punctuation and printer errors (e.g. omitted or transposed letters) ...
— Happy Days for Boys and Girls • Various

... photographs at the Observatory of Paris (an American who became English by her marriage with the astronomer Roberts, but is not forgotten in France);—Mrs. Fleming, one of the astronomers of the Observatory at Harvard College, U.S.A., to whom we owe the discovery of a great number of variable stars by the examination of photographic records, and by spectral photography;—Lady Huggins, who in England is the learned collaborator of her illustrious husband;—and ...
— Astronomy for Amateurs • Camille Flammarion

... aristocracy, whose business it was to keep the people down and hold the king in check. His career—now supporting the royalists, now the roundheads, now neither—seems incoherent and unprincipled; but in truth he was one of the least variable men of his time; he held to his course, and king and parliament did the tacking. He was an incorruptible judge, though he took bribes; and an unerring one, though he disregarded forms of law. He was tried ...
— The History of the United States from 1492 to 1910, Volume 1 • Julian Hawthorne

... have increased. His face was still the same impenetrable face which had so powerfully impressed me when I first saw him, but his manner, hitherto so quiet and self-possessed, had now grown abrupt and variable. Sometimes, when he joined us in the drawing-room at North Villa, he would suddenly stop before we had exchanged more than three or four words, murmur something, in a voice unlike his usual voice, about an attack of spasm and giddiness, and leave ...
— Basil • Wilkie Collins

... land on the 23rd January. It has little elevation, and is scarcely possible to be seen at a greater distance than twelve leagues. The wind then became very variable; and, like Captain Cook, we met with currents, which carried us every day fifteen minutes south of our reckoning; so that we spent the whole of the 24th in plying in sight of Botany Bay, without being able to double Point Solander, which bore from us a league north. The wind ...
— Laperouse • Ernest Scott


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