coalgebra

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noun

a structure that is dual to unital associative algebras

OriginEnglish algebra ← Medieval Latin algebra ← Arabic الْجَبْر (al-jabr) →
UncommonScrabble 14
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Meanings

nouncoalgebra (plural coalgebras)

plural coalgebras

  1. mathematicsa structure that is dual to unital associative algebras

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. Arabicجَبَرَ (jabara)
  9. Arabicالْجَبْر (al-jabr)
  10. Medieval Latinalgebra
  11. Englishalgebra
  12. Englishcoalgebra

From co- + algebra.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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