variable
1. variable  (something that is likely to vary; something that is subject to variation; "the weather is one variable to be considered")
2. variable, variable quantity  (a quantity that can assume any of a set of values)
3. variable star, variable  (a star that varies noticeably in brightness)
4. variable  (a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity)
1. variable  (liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses")
2. varying, variable  (marked by diversity or difference; "the varying angles of roof slope"; "nature is infinitely variable")
3. variable  ((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")
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