Variation (linguistics)
WordNet
noun
(1) An activity that varies from a norm or standard
"Any variation in his routine was immediately reported"
(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) (ballet) a solo dance or dance figure
(4) An artifact that deviates from a norm or standard
"He patented a variation on the sandal"
(5) Something a little different from others of the same type
"An experimental version of the night fighter"
"A variant of the same word"
"An emery wheel is the modern variation of a grindstone"
"The boy is a younger edition of his father"
(6) A repetition of a musical theme in which it is modified or embellished
(7) An instance of change; the rate or magnitude of change
(8) (biology) an organism that has characteristics resulting from chromosomal alteration
(9) (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
(10) The process of varying or being varied
(11) The angle (at a particular location) between magnetic north and true north