fibrosis

American

[fahy-broh-sis] / faɪˈbroʊ sɪs /

noun

Pathology.

the development in an organ of excess fibrous connective tissue.

fibrosis British

/ faɪˈbrəʊsɪs /

noun

the formation of an abnormal amount of fibrous tissue in an organ or part as the result of inflammation, irritation, or healing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

fibrotic

adjective

Etymology

Origin of fibrosis

First recorded in 1870–75; fibr- + -osis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

fibrosis

Blocking TGF-β signaling, which plays a role in communication between cells and in tissue remodeling, restored pericyte coverage while reducing fibrosis and amyloid around blood vessels.

From Science Daily ● Oct. 1, 2026

Those with long indie-film memories will recall the role of cystic fibrosis in Kirby Dick’s alarming, inspiring 1997 documentary “Sick: The Life and Death of Bob Flanagan, Supermasochist.”

From The Wall Street Journal ● Sep. 15, 2026

And a useful means of diagnosing cystic fibrosis.

From The Wall Street Journal ● Sep. 15, 2026

He was diagnosed three years ago with pulmonary fibrosis.

From BBC ● Sep. 11, 2026

Cystic fibrosis will steal no more from me.

From "Five Feet Apart" by Rachael Lippincott

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023