codomain.
The target set into which a function is formally defined to map elements of its domain; the set denoted Y in the notation f : X → Y.
Meaning & usage
The target set into which a function is formally defined to map elements of its domain; the set denoted Y in the notation f : X → Y.
The target set into which a function is formally defined to map elements of its domain; the set denoted Y in the notation f : X → Y. The set B.
Where this word comes from
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-lbor. English co- Proto-Indo-European *dem- Proto-Indo-European *-s Proto-Indo-European *dṓmder. Proto-Italic *domanos Latin dominus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -iusnom. Latin -ium Latin dominiumder. Old French demainebor. Middle English demayne English domain English codomain From co- + domain.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.