an activity that varies from a norm or standard | the act of furnishing an equivalent person or thing in the place of another |
the act of changing or altering something slightly but noticeably from the norm or standard | a person or thing that takes or can take the place of another |
(ballet) a solo dance or dance figure | an event in which one thing is substituted for another |
an artifact that deviates from a norm or standard | a person who follows next in order |
something a little different from others of the same type | someone who takes the place of another person |
a repetition of a musical theme in which it is modified or embellished | filling again by supplying what has been used up |
an instance of change; the rate or magnitude of change | |
(biology) an organism that has characteristics resulting from chromosomal alteration | |
(astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon) | |
the process of varying or being varied | |
the angle (at a particular location) between magnetic north and true north | |