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

collagenous

kə-ˈla-jə-nəs 

adjective

Examples of collagen in a Sentence

Recent Examples on the Web

Find it on Amazon This Wand Uses the Power of Red Light Therapy Red light therapy is a non-invasive procedure that can help to stimulate collagen production, maintain your skin’s natural moisture levels, and minimize the appearance of fine lines and wrinkles. —Mia Meltzer, Rolling Stone, 1 Nov. 2024

Beloved by Glamour editors, it’s designed to alleviate inflammation and boost collagen production. —Brie Schwartz, Glamour, 31 Oct. 2024

Our favorite collagen to take with semiglutide is Sports Research Collagen Powder, which provides 11 grams of collagen per scoop. —Shushy Rita Setrakian Ms, Rd, Verywell Health, 31 Oct. 2024

Retinoids also stimulate the production of collagen and elastin, says Sobel, which helps firm up skin laxity. —Emily Orofino, Allure, 29 Oct. 2024

Word History

Etymology

Greek kolla + International Scientific Vocabulary -gen

First Known Use

circa 1865, in the meaning defined above

Kids 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

collagenic

ˌkäl-ə-ˈjen-ik 

adjective

collagenous

kə-ˈlaj-ə-nəs 

adjective