Variable - Definition

adj 1: liable to or capable of change; "rainfall in the tropics
is notoriously variable"; "variable winds"; "variable
expenses" [ant: invariable]
2: marked by diversity or difference; "the varying angles of
roof slope"; "nature is infinitely variable" [syn: varying,
variable]
3: (used of a device) designed so that a property (as e.g.
light) can be varied; "a variable capacitor"; "variable
filters in front of the mercury xenon lights"
n 1: something that is likely to vary; something that is subject
to variation; "the weather is one variable to be
considered"
2: a quantity that can assume any of a set of values [syn:
variable, variable quantity]
3: a star that varies noticeably in brightness [syn: variable
star, variable]
4: a symbol (like x or y) that is used in mathematical or
logical expressions to represent a variable quantity