variance (n.)an event that departs from expectations;
variance (n.)discord that splits a group;
variance (n.)the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value;
variance (n.)a difference between conflicting facts or claims or opinions;
variance (n.)the quality of being subject to variation;
variance (n.)an official dispensation to act contrary to a rule or regulation (typically a building regulation);
variance (n.)an activity that varies from a norm or standard;