a quantity that can assume any of a set of values
how much there is or how many there are of something that you can quantify
an adequate or large amount
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
the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable
a star that varies noticeably in brightness
