collagen
noun
col·la·gen
ˈkä-lə-jən 
: any of a group of fibrous proteins that occur in vertebrates as the chief constituent of connective tissue fibrils and in bones and yield gelatin and glue upon boiling with water
Examples of collagen in a Sentence
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The impatient might prefer this serum, which uses copper peptides to support long-term collagen production.
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Deanna Pai, Vogue, 26 Apr. 2024
Hyaluronic acid hydrates and smooths skin, centella asiatica leaf extract soothes and calms, and lysine helps collagen production and prevents dryness.
—Jamie Allison Sanders, Peoplemag, 24 Apr. 2024
See all Example Sentences for collagen 
Deanna Pai, Vogue, 26 Apr. 2024
Hyaluronic acid hydrates and smooths skin, centella asiatica leaf extract soothes and calms, and lysine helps collagen production and prevents dryness.
—Jamie Allison Sanders, Peoplemag, 24 Apr. 2024
See all Example Sentences for collagen
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'collagen.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Collagen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collagen. Accessed 4 May. 2024.
Copy CitationKids Definition
collagen
noun
col·la·gen
ˈkäl-ə-jən
: a protein that occurs in the form of fibers, does not dissolve, is found in connective tissue, and forms glue and gelatin upon boiling with water
Medical Definition
collagen
noun
col·la·gen
ˈkäl-ə-jən
: an insoluble fibrous protein of vertebrates that is the chief constituent of the fibrils of connective tissue (as in skin and tendons) and of the organic substance of bones and yields gelatin and glue on prolonged heating with water
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