Noun
1. an instance of change; the rate or magnitude of change
2. an activity that varies from a norm or standard;
"any variation in his routine was immediately reported"3. a repetition of a musical theme in which it is modified or embellished
4. something a little different from others of the same type;
"an experimental version of the night fighter""an emery wheel is a modern variant of the grindstone""the boy is a younger edition of his father"5. an artifact that deviates from a norm or standard;
"he patented a variation on the sandal"6. the angle (at a particular location) between magnetic north and true north
7. (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
8. (biology) an organism that has characteristics resulting from chromosomal alteration
9. (ballet) a solo dance or dance figure
10. the act of changing or altering something slightly but noticeably from the norm or standard;
"who is responsible for these variations in taxation?"