English Online Dictionary. What means variance? What does variance mean?
- variaunce (obsolete)
- var (abbreviation)
From Middle English variance, variaunce, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.
- (UK) IPA(key): /ˈvɛːɹi.əns/
- (US) IPA(key): /ˈvæɹi.ənts/ (Mary–marry–merry distinction)
- (US) IPA(key): /ˈvɛɹi.ənts/ (Mary–marry–merry merger)
variance (countable and uncountable, plural variances)
- The act of varying or the state of being variable.
- A difference between what is expected and what is observed; deviation.
- The state of differing or being in conflict.
- An official permit to do something that is ordinarily forbidden by regulations.
- (law) A discrepancy between two legal documents.
- (law) A departure from a cause of action originally in a complaint.
- (statistics) The second central moment in probability.
- (physics, chemistry, biology) The number of degrees of freedom in a system.
- (computing, programming) Covariance and contravariance generally.
- 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.
From Latin variantia.
- IPA(key): /va.ʁjɑ̃s/
- Rhymes: -ɑ̃s
variance f (plural variances)
- “variance” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).