what is a variation definition
variation. n. 1. the act, process, condition, or result of changing or varying; diversity. 2. an instance of varying or the amount, rate, or degree of such change. 3. something that differs from a standard or convention.arâ¢iâ¢aâ¢tion. 1. the act or process of varying: prices subject to variation. 2. an instance of this: a variation in quality. 3. amount of change: a temperature variation of 20Â°. 4. a different form of something.