a variable quantity that is random
the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
liable to or capable of change
a quantity that can assume any of a set of values
marked by diversity or difference
(used of a device) designed so that a property (as e.g. light) can be varied
a star that varies noticeably in brightness
a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
lacking any definite plan or order or purpose; governed by or depending on chance
