Variable Definition

vârē-ə-bəl, văr-
variables
adjective
Apt or likely to change or vary; changeable, inconstant, fickle, fluctuating, etc.
Webster's New World
Inconstant; fickle.
American Heritage Medicine
That can be changed or varied.
Webster's New World
Tending to exhibit genetic variation or variation in a physical trait.
Geographically variable color patterns.
American Heritage Medicine
Designating or involving an interest rate, as on a mortgage loan, that varies over time according to some predetermined formula.
Webster's New World
noun
variables
Anything changeable; esp., a quality or quantity that varies or may vary.
Webster's New World
Webster's New World
A part of a mathematical expression that may assume any value in a specific, related set of values.
Webster's New World
A symbol representing such a quantity. For example, in the expression a2 + b2 = c2 , a, b, and c are variables.
American Heritage
A symbol for such a part.
Webster's New World

Other Word Forms of Variable

Noun

Singular:
variable
Plural:
variables

Origin of Variable

  • From Old French variable, from Latin variare (“to change”), from varius (“different, various”).

    From Wiktionary

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