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

Patients will notice an increase in healthy collagen, elastin and hyaluronic acid, the building blocks of the structure of the skin. — Celia Shatzman, Forbes.com, 31 July 2026

Unlike popular skin boosters such as Rejuran, which prompt the skin to make more of its own elastin and collagen, Re2O supplies a structural scaffold rather than only signaling repair. — Hanna Wickes, Miami Herald, 29 July 2026

The former ingredient replenishes skin while the latter improves internal collagen production and increases elastin for an overall smoother, plumper look. — Tamim Alnuweiri, InStyle, 29 July 2026

The brand’s signature Cell Service complex of growth factors and peptides essentially boosts skin’s collagen and elastin production, while promoting firmer, bouncier skin. — Audrey Noble, Vogue, 27 July 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