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collagen Syllabification: col·la·gen
Pronunciation: /ˈkäləjən/

Definition of collagen in English:


The main structural protein found in animal connective tissue, yielding gelatin when boiled.
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).

Definition of collagen in:
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