elastin

noun

elas·​tin i-ˈla-stən 

: a protein that is similar to collagen and is the chief constituent of elastic fibers

Examples of elastin in a Sentence

Recent Examples on the Web

Lastly, citrus peel helps with collagen and elastin production in addition to brightening dull under-eyes. — Tamim Alnuweiri, InStyle, 25 June 2026

For instance, Matrixyl 3000 stimulates collagen and elastin production, to reduce fine lines and improve skin elasticity. — Deanna Pai, Vogue, 24 June 2026

Women were complaining of redness, flakiness, or peeling with the use of tretinoin, a retinoid that promotes collagen synthesis and elastin renewal. — Maggie Ryan, Flow Space, 23 June 2026

Growth factors work on the skin’s surface to stimulate cell growth, division, and repair, Curcio said, which may help increase collagen and elastin production. — Sherri Gordon, Health, 10 June 2026

Word History

Etymology

International Scientific Vocabulary, from New Latin elasticus

First Known Use

1875, in the meaning defined above

Rhymes for elastin

• thromboplastin

Kids Definition

elastin

noun

elas·​tin i-ˈlas-tən 

: a protein that is similar to collagen and helps make up the elastic fibers of connective tissue

Medical Definition

elastin

noun

elas·​tin i-ˈlas-tən 

: a protein that is similar to collagen and is the chief constituent of elastic fibers