#1 variation n. [fluctuation] an instance of change; the rate or magnitude of change. wn
#2 variation n. [variance] an activity that varies from a norm or standard; "any variation in his routine was immediately reported". wn
#3 variation n. a repetition of a musical theme in which it is modified or embellished. wn
#4 variation n. [version, variant, edition] 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". wn
#5 variation n. an artifact that deviates from a norm or standard; "he patented a variation on the sandal". wn
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