(n): a variation that deviates from the standard or norm
(n): discord that splits a group
(n): disagreement among those expected to cooperate
(n): the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
(n): the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value
(n): a difference between conflicting facts or claims or opinions
(n): the quality of being unlike or dissimilar
(n): the quality of being subject to variation
(n): the quality of being changeable; having a marked tendency to change
(n): an official dispensation to act contrary to a rule or regulation (typically a building regulation)
(n): an exemption from some rule or obligation
(n): an activity that varies from a norm or standard
(n): any specific behavior
