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fibrosis

noun

fi·​bro·​sis fī-ˈbrō-səs How to pronounce fibrosis (audio)
: a condition marked by increase of interstitial fibrous tissue
fibrotic 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.
Pulmonary fibrosis is a lung disease that occurs when lung tissue becomes damaged and scarred, per the Mayo Clinic. Gabrielle Rockson, PEOPLE, 4 Dec. 2025 Ladd had been diagnosed with idiopathic pulmonary fibrosis in 2018. Theresa Braine, Mercury News, 1 Dec. 2025 Knievel, who had diabetes and pulmonary fibrosis, was having trouble breathing and died en route to a hospital. Arizona Republic, AZCentral.com, 30 Nov. 2025 In 2018, Ladd was diagnosed with idiopathic pulmonary fibrosis, a life-threatening lung disease. Ashley Hume, FOXNews.com, 18 Nov. 2025 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

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Cite this Entry

“Fibrosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibrosis. Accessed 9 Dec. 2025.

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

Last Updated: - Updated example sentences
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