American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition collagen in American English

collagen noun

[uncountable] noun
/ˈkɑlədʒən/
1

a type of protein that is often used in skin cream and in plastic surgery because it makes skin look younger

Synonyms and related words
Definition collagen in American English