variance (Noun) — An event that departs from expectations.
variance (Noun) — Discord that splits a group.
variance (Noun) — (statistics) the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.
variance (Noun) — A difference between conflicting facts, claims or opinions. ex. "a growing variance of opinion"
variance (Noun) — The quality or degree of being subject to variation.
variance (Noun) — An official dispensation to act contrary to a rule or regulation (typically a building regulation). ex. "a zoning variance"
variance (Noun) — An activity that varies from a norm or standard. ex. "any variance in his routine was immediately reported"