n an instance of change; the rate or magnitude of change
n an activity that varies from a norm or standard
n a repetition of a musical theme in which it is modified or embellished
n something a little different from others of the same type
n an artifact that deviates from a norm or standard
n the angle (at a particular location) between magnetic north and true north
n the process of varying or being varied
n (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
n (biology) an organism that has characteristics resulting from chromosomal alteration
n (ballet) a solo dance or dance figure
n the act of changing or altering something slightly but noticeably from the norm or standard
