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mastitis

American  
[ma-stahy-tis] / mæˈstaɪ tɪs /

noun

  1. Pathology. inflammation of the breast.

  2. Veterinary Pathology. inflammation of the udder, especially of cows; garget.


mastitis British  
/ mæˈstaɪtɪs /

noun

  1. inflammation of a breast or an udder

"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

Etymology

Origin of mastitis

First recorded in 1835–45; mast- + -itis

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.

In detention, Flores said, she began to suffer a painful swelling, which she believed could have been mastitis brought on by her inability to nurse her baby.

From Salon • Mar. 24, 2026

She’s also working with dairy veterinarians to better understand mastitis, a common but painful inflammation of breast tissue, to come up with improved treatments and design a better breast pump for women.

From Los Angeles Times • Oct. 14, 2022

Ms. Burdick asked her surgical oncologist to order the test and discovered she had been infected with a specific microorganism associated with granulomatous mastitis and recurrent breast abscesses.

From New York Times • Jul. 29, 2022

Another client, Michelle Galanek, developed mastitis, a breast infection, followed by an abscess shortly after her second child was born.

From Washington Post • May 18, 2022

A similar enlargement is met with in the axilla in cases of chronic interstitial mastitis, and in the groin as a result of chronic irritation about the external genitals, such as balanitis.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis

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