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

Certain peptides signal fibroblasts to ramp up collagen and elastin production, while others reinforce the skin barrier or calm inflammation. —Adam Hurly, Robb Report, 28 Aug. 2025

Drinking alcohol also weakens collagen and elastin (the stuff that keeps skin bouncy and firm) and can contribute to volume loss and broken capillaries—the tiny red veins that pop up around the nose and cheeks. —Donna Francis, Allure, 25 Aug. 2025

Treatments stimulate collagen and elastin production, with results that can last up to a year or more. —Carol Rh Malasig, Forbes.com, 20 Aug. 2025

This process occurs when sugar molecules attach to proteins like collagen and elastin, which your skin needs to maintain elasticity and firmness. —Lauren Panoff, Verywell Health, 25 July 2025

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