noun
definition
The act of varying or the state of being variable.
definition
A difference between what is expected and what is observed; deviation.
definition
The state of differing or being in conflict.
definition
An official permit to do something that is ordinarily forbidden by regulations.
definition
A discrepancy between two legal documents.
definition
A departure from a cause of action originally in a complaint.
definition
The second central moment in probability.
definition
The number of degrees of freedom in a system.
definition
Covariance and contravariance generally.
example
Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.