cokernel

C3O1K5E1R1N1E1L1

noun

The coequalizer of f and the zero morphism from X to Y, denoted operatorname cokerf.

OriginEnglish kernel ← Middle English kirnel ← Old English cyrnel →
RareScrabble 14
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Meanings

nouncokernel (plural cokernels)

plural cokernels

  1. category theoryThe coequalizer of f and the zero morphism from X to Y, denoted operatorname cokerf.
    1. category theoryThe target of operatorname cokerf, denoted operatorname Cokerf.

Origin

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Proto-Indo-European*ǵerh₂-
  9. Proto-Indo-European*ǵr̥h₂-nós
  10. Proto-Indo-European*ǵr̥h₂nóm
  11. Proto-Germanic*kurną
  12. Proto-West Germanic*korn
  13. Proto-West Germanic*kurnil
  14. Old Englishcyrnel
  15. Middle Englishkirnel
  16. Englishkernel
  17. Englishcokernel

From co- + kernel.

Full word history & related roots →

Translations

French conoyau
  • conoyauTranslations
German Kokern
  • KokernTranslations
Polish kojądro
  • kojądroTranslations
Russian коядро
  • коядро (kojadro)Translations

Rhymes & wordplay

Anagrams

Leckrone
Cite this entry
APA

cokernel. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/cokernel

MLA

“cokernel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cokernel. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “cokernel,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/cokernel.

Source: cokernel on Wiktionary, CC BY-SA 4.0.