Definition of variable

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Variable (n.) A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables..

Lern More About Variable

Invariability :: Invariability (n.) The quality of being invariable; invariableness; constancy; uniformity.
Ligroin :: Ligroin (n.) A trade name applied somewhat indefinitely to some of the volatile products obtained in refining crude petroleum. It is a complex and variable mixture of several hydrocarbons, generally boils below 170ยก Fahr., and is more inflammable than safe kerosene. It is used as a solvent, as a carburetant for air gas, and for illumination in special lamps..
Cam :: Cam (n.) A projecting part of a wheel or other moving piece so shaped as to give alternate or variable motion to another piece against which it acts.
Fluxion :: Fluxion (n.) The infinitely small increase or decrease of a variable or flowing quantity in a certain infinitely small and constant period of time; the rate of variation of a fluent; an incerement; a differential.
Heterocera :: Heterocera (n. pl.) A division of Lepidoptera, including the moths, and hawk moths, which have the antennae variable in form..
Argument :: Argument (n.) The independent variable upon whose value that of a function depends.
Constant :: Constant (n.) A quantity that does not change its value; -- used in countradistinction to variable.
Variable :: Variable (n.) A shifting wind, or one that varies in force..
Differential :: Differential (n.) An increment, usually an indefinitely small one, which is given to a variable quantity..
Babbitt Metal :: Babbitt metal () A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty parts of tin to five of antimony and one of copper) used in bearings to diminish friction..
Invariance :: Invariance (n.) The property of remaining invariable under prescribed or implied conditions.
Discriminant :: Discriminant (n.) The eliminant of the n partial differentials of any homogenous function of n variables. See Eliminant.
Changeable :: Changeable (a.) Capable of change; subject to alteration; mutable; variable; fickle; inconstant; as, a changeable humor..
Fly :: Fly (v. i.) A heavy wheel, or cross arms with weights at the ends on a revolving axis, to regulate or equalize the motion of machinery by means of its inertia, where the power communicated, or the resistance to be overcome, is variable, as in the steam engine or the coining press. See Fly wheel (below)..
Metalline :: Metalline (n.) A substance of variable composition, but resembling a soft, dark-colored metal, used in the bearings of machines for obviating friction, and as a substitute for lubricants..
Constant :: Constant (v. t.) Remaining unchanged or invariable, as a quantity, force, law, etc..
Erythema :: Erythema (n.) A disease of the skin, in which a diffused inflammation forms rose-colored patches of variable size..
Governor :: Governor (n.) A contrivance applied to steam engines, water wheels, and other machinery, to maintain nearly uniform speed when the resistances and motive force are variable..
Eliminant :: Eliminant (n.) The result of eliminating n variables between n homogeneous equations of any degree; -- called also resultant.
Sequence :: Sequence (n.) Simple succession, or the coming after in time, without asserting or implying causative energy; as, the reactions of chemical agents may be conceived as merely invariable sequences..
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