fibrosis

noun

fi·​bro·​sis fī-ˈbrō-səs How to pronounce fibrosis (audio)
: a condition marked by increase of interstitial fibrous tissue
fibrotic
fī-ˈbrä-tik How to pronounce fibrosis (audio)
adjective

Examples of fibrosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Lung damage caused by pulmonary fibrosis cannot be repaired, according to the clinic. — Sara Moniuszko, USA Today, 23 June 2026 The 52-year-old was diagnosed in 2018 with pulmonary fibrosis, a progressive disease that damages and scars lung tissue. — ABC News, 17 June 2026 For seven-and-a-half years, Ladd had dealt with idiopathic pulmonary fibrosis (IPF), a progressive lung disease that stiffens and scars the lungs. — Helen Carefoot, Flow Space, 24 June 2026 Per Variety, Benchley died in February 2006 of pulmonary fibrosis at the age of 65. — Caroline Blair, PEOPLE, 20 June 2026 See All Example Sentences for fibrosis

Word History

Etymology

New Latin

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of fibrosis was in 1873

Phrases Containing fibrosis

Rhymes for fibrosis

See All Rhymes for fibrosis

Browse Nearby Words

fibrosarcoma
fibrosis
fibrositis
See all Nearby Words

Cite this Entry

“Fibrosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibrosis. Accessed 10 Jul. 2026.

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Kids Definition

fibrosis

noun
fi·​bro·​sis fī-ˈbrō-səs How to pronounce fibrosis (audio)
: an abnormal bodily condition in which increased amounts of fibrous tissue form in other tissues compare cystic fibrosis

Medical Definition

fibrosis

noun
fi·​bro·​sis fī-ˈbrō-səs How to pronounce fibrosis (audio)
plural fibroses -ˌsēz How to pronounce fibrosis (audio)
: a condition marked by increase of interstitial fibrous tissue : fibrous degeneration

More from Merriam-Webster on fibrosis

Britannica.com: Encyclopedia article about fibrosis

Last Updated: - Updated example sentences
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