contravariance

Fetched 2026-10-26 (cache).

Synonyms: contravariant

Antonyms: contravariant

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|object-oriented programming}} The [[reversal]] of the [[order]] of [[data]] [[types]] acted upon by an [[operator]].
2. {{lb|en|category theory}} A [[functor]] which reverses [[composition]].
3. {{lb|en|linear algebra}} Of vectors, the property of scaling inversely with a change of basis, as opposed to covariance.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.