Definition of collagen
: 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
collagenousplay \kə-ˈla-jə-nəs\ adjective
Recent Examples of collagen from the Web
The Chicago Cubs' official hot dog is nearly ubiquitous at Wrigley Field, and some might argue that fans are a little too familiar with the team's official beer, but what about its official grill, hot chocolate or collagen?
ROS can react with DNA, forming mutations, and with collagen, leading to wrinkles.
The dolphin penis is fibro-elastic, meaning the erectile tissue is full of collagen and elastin and can emerge quickly.
The cells grow in a collagen culture before being exposed to air and UV light to mimic the effects of aging.
Exactly what will be in thread, Page isn’t quite sure — maybe collagens, maybe fibrinogens.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'collagen'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of collagen
Greek kolla + International Scientific Vocabulary -gen
First Known Use: circa 1865See Words from the same year
COLLAGEN Defined for English Language Learners
Definition of collagen for English Language Learners
: a substance that occurs naturally in the bodies of people and animals and is often put into creams and other products that are sold to make a person's skin smoother and less wrinkled
Medical Definition of collagen
: 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
Seen and Heard
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