counit

Fetched 2026-10-26 (cache).

Synonyms: count, cunit

Antonyms: count, cunit

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|mathematics}} In an [[adjunction]], a [[natural transformation]] from the composition of the left [[adjoint functor]] with the right adjoint functor to the [[identity functor]] of the domain of the right adjoint functor.

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