col‧la‧gen /ˈkɒlədʒ
ən $ ˈkɑː-/
noun [uncountable][
Date: 1800-1900;
Language: French;
Origin: collagène, from Greek kolla ( ⇒ collage) + French -gène 'producing']
a
protein found in people and animals. It is often used in beauty products and treatments to make people look younger and more attractive.
[TahlilGaran] Dictionary of Contemporary English ▲