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''collagen'' ▫ᴱᴺ｜Definition｜1st｜20260130112253-00-⌔

collagen - Wiktionary, the free dictionary

English

Noun

collagen (countable and uncountable, plural collagens)

  • (biochemistry) The main structural protein in the extracellular matrix of the connective tissues of many animals.
    • ✤ Science cannot yet account for the conversion of collagen into gelatin.1

Etymology

From French collagène, coined from Ancient Greek κόλλα (kólla, “glue”) and -γενής (-genḗs, “-forming”) (see -gen); it is the main substance that animal glues are derived from.

Pronunciation

  • (Received Pronunciation) IPA: /ˈkɒləd͡ʒɪn/
  • (UK) IPA: /ˈkɒləd͡ʒən/
    • Audio (Southern England): 🔊
  • (General American) IPA: /ˈkɑləd͡ʒən/

Printed 2026-06-28.

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Footnotes

  1. 1843, R. F. Marchand, “On the Chemical Composition of the Bones”, in The Chemist, volume 4, page 57: ↩

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Secondary

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