the act, process, or accident of varying in condition, character, or degree: Prices are subject to variation.
an instance of this: There is a variation in the quality of fabrics in this shipment.
amount, rate, extent, or degree of change: a temperature variation of 40° in a particular climate.
a different form of something; variant.
Music. the transformation of a melody or theme with changes or elaborations in harmony, rhythm, and melody. a varied form of a melody or theme, especially one of a series of such forms developing the capacities of the subject.