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

As mentioned above by Dr. Kohli, every glass of alcohol reduces vitamin A, which is a crucial nutrient for skin renewal and collagen production. —Sanjana Ray, Glamour, 12 Dec. 2024

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. —Claire Rutter, Rolling Stone, 12 Dec. 2024

Lilac stem cells also help fight free radicals and curb excess oil production without drying out skin, while two types of marine algae increase hydration and support the skin's natural collagen production. —Jennifer Hussein, Allure, 11 Dec. 2024

Additionally, vitamin C helps firm skin because it’s clinically proven to boost collagen production. —Celia Shatzman, Forbes, 10 Dec. 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