variation

noun

1. 1

   an activity that varies from a norm or standard

   any variation in his routine was immediately reported

2. 2

   the act of changing or altering something slightly but noticeably from the norm or standard

   who is responsible for these variations in taxation?

3. 3

   (ballet) a solo dance or dance figure

4. 4

   an artifact that deviates from a norm or standard

   he patented a variation on the sandal

5. 5

   something a little different from others of the same type

   an experimental version of the night fighter

   a variant of the same word

6. 6

   a repetition of a musical theme in which it is modified or embellished

7. 7

   an instance of change; the rate or magnitude of change

8. 8

   (biology) an organism that has characteristics resulting from chromosomal alteration

9. 9

   (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)

10. 10

    the process of varying or being varied

11. 11

    the angle (at a particular location) between magnetic north and true north