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What does "Variable" mean?

Definition

(a.) Having the capacity of varying or changing; capable of alternation in any manner; changeable; as, variable winds or seasons; a variable quantity (a.) Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are 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 (n.) A shifting wind, or one that varies in force (n.) That which is variable; that which varies, or is subject to change (n.) Those parts of the sea where a steady wind is not expected, especially the parts between the trade-wind belts


Synonyms versatile, protean, uncertain, adaptable, varied, unsettled, varying, changeable, shifting, variable star, variable quantity


Example: "The weather is one variable to be considered" Example: "Rainfall in the tropics is notoriously variable" Example: "A variable capacitor" Example: "Nature is infinitely variable"