mastitis

noun
mas·​ti·​tis | \ ma-ˈstī-təs How to pronounce mastitis (audio) \
plural mastitides\ ma-​ˈsti-​tə-​ˌdēz How to pronounce mastitides (audio) \

Definition of mastitis

: inflammation of the breast or udder usually caused by infection

Keep scrolling for more

Other Words from mastitis

mastitic \ ma-​ˈsti-​tik How to pronounce mastitic (audio) \ adjective

Examples of mastitis in a Sentence

Recent Examples on the Web An oversupply of milk and two bouts of mastitis — one of which landed Celestino in the hospital — complicated things further. Rachel Tepper Paley, Washington Post, "Our assumptions about breastfeeding are hurting moms’ mental health," 18 Aug. 2020 When to Worry The most serious complication of weaning is mastitis, an infection of the breast tissue that often requires antibiotics. Cassandra Willyard, New York Times, "How to Wean Your Child From Breastfeeding," 17 Apr. 2020 Kristen Bell Once Had Husband Dax Shepard 'Nurse' Shepard came to Bell’s rescue when the actress was dealing with mastitis, or a build-up of milk in her breast duct, after one of her daughters had stopped nursing. Grace Gavilanes, PEOPLE.com, "TMI Alert! 18 Times Celebs Overshared Like It Was NBD," 27 Dec. 2019 Kristen Bell Once Had Husband Dax Shepard 'Nurse' Shepard came to Bell’s rescue when the actress was dealing with mastitis, or a build-up of milk in her breast duct, after one of her daughters had stopped nursing. Grace Gavilanes, PEOPLE.com, "TMI Alert! 14 Times Celebs Overshared Like It Was NBD," 8 Aug. 2019 Some may have had a bad experience in the past with nursing—like getting a nipple injury or frequent mastitis—and don’t want to run the risk of going through that again, Dr. Greves says. Korin Miller, SELF, "Jana Kramer on the Criticism She Received After Deciding Not to Breastfeed: 'It’s Just Frustrating'," 17 Jan. 2019 So far, things have turned out fine — I’ve only been billed a $150 copayment for my ER trip, and the mastitis cleared up a few days after the visit. Sarah Kliff, Vox, "The bipartisan plan to end surprise ER bills, explained," 21 Sep. 2018 Painstakingly, Peri eventually managed to express milk by hand, but the whole experience was miserable, her fear of mastitis and her anger at the algorithms surfacing pornography masquerading as women’s health colliding in an airport bathroom. Jenna Sauers, Harper's BAZAAR, "Why Women Really Quit Breastfeeding," 17 July 2018 Found in Europe and the U.S., the bacteria can cause cows to develop mastitis, pneumonia, arthritis and other diseases. Nick Perry, The Seattle Times, "New Zealand to kill 150,000 cows to end bacterial disease," 28 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mastitis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of mastitis

circa 1842, in the meaning defined above

History and Etymology for mastitis

Greek mastós "breast, nipple" (probably from a pre-Greek substratal language) + -itis, probably after French mastite

Keep scrolling for more

Learn More about mastitis

Time Traveler for mastitis

Time Traveler

The first known use of mastitis was circa 1842

See more words from the same year

Statistics for mastitis

Cite this Entry

“Mastitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mastitis. Accessed 28 Nov. 2020.

Keep scrolling for more

More Definitions for mastitis

mastitis

noun
mas·​ti·​tis | \ ma-ˈstīt-əs How to pronounce mastitis (audio) \
plural mastitides\ -​ˈtit-​ə-​ˌdēz How to pronounce mastitides (audio) \

Medical Definition of mastitis

: inflammation of the mammary gland or udder usually caused by infection

called also mammitis

— see blue bag, bovine mastitis, garget, summer mastitis

More from Merriam-Webster on mastitis

Britannica.com: Encyclopedia article about mastitis

Comments on mastitis

What made you want to look up mastitis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!