variable

adj. changeable, fluctuating, inconstant; fickle; having a quantity that is unfixed; deviating from the norm

n. something given to variation; quantity that may represent any one of a set of values (Mathematics); star whose brightness variates at intervals (Astronomy)

In computer science and mathematics, a variable (IPA pronunciation: ) (sometimes called a pronumeral) is a symbolic representation denoting a quantity or expression. In mathematics, a variable often represents an "unknown" quantity that has the potential to change; in computer science, it represents a place where a quantity can be stored. Variables are often contrasted with constants, which are known and unchanging.
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n. variable, something variable; quantity that may represent any one of a set of values; (Statistics) variate

adj. variable, mixed, changing, inconstant

n. variable, something given to variation; quantity that may represent any one of a set of values (Mathematics); star whose brightness variates at intervals (Astronomy)

adj. variable, changeable; wayward; up and down; unsettled

n. variable, something given to variation; quantity that may represent any one of a set of values (Mathematics); star whose brightness variates at intervals (Astronomy)