variance

/หˆvษ›หษนi.ษ™ns/

IPA: /V EH1 R IY0 AH0 N S/

noun
  1. 1

    The act of varying or the state of being variable.

  2. 2

    A difference between what is expected and what is observed; deviation.

  3. 3

    The state of differing or being in conflict.

  4. 4

    An official permit to do something that is ordinarily forbidden by regulations.

  5. 5

    A discrepancy between two legal documents.

  6. 6

    A departure from a cause of action originally in a complaint.

  7. 7

    The second central moment in probability.

  8. 8

    The number of degrees of freedom in a system.

  9. 9

    Covariance and contravariance generally.

    โ€œDepending 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.โ€

Source: https://en.wiktionary.org/wiki/variance