Definition of collagen in English:


Syllabification: col·la·gen
Pronunciation: /ˈkäləjən


  • The main structural protein found in animal connective tissue, yielding gelatin when boiled.
    More example sentences
    • Among these, collagen is the major structural protein and is the most abundant in the human body.
    • The protein collagen is responsible for the tough qualities of connective tissue.
    • Protein is crucial for the production of collagen and elastin, the protein fibres that keep skin supple and elastic


mid 19th century: from French collagène, from Greek kolla 'glue' + French -gène (see -gen).

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