Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: French
Origin: collagène, from Greek kolla ( COLLAGE) + French -gène 'producing'

collagen

 noun
     
Related topics: Hair and Beauty
col‧la‧gen [uncountable]
DCB a protein found in people and animals. It is often used in beauty products and treatments to make people look younger and more attractive
Definition from the Longman Dictionary of Contemporary English
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