mastitis
noun
mas·ti·tis ma-ˈstī-təs 
plural mastitides ma-ˈsti-tə-ˌdēz
: inflammation of the breast or udder usually caused by infection
mastitic
ma-ˈsti-tik
adjective 
Example Sentences
Recent Examples on the Web Having clogged ducts and mastitis, an inflammation and infection of the breast, is pretty common among breastfeeding moms, according to the Mayo Clinic Health System. 
Shafiq Najib, PEOPLE.com, 27 June 2022 Failure to express milk regularly can also lead to a breast infection called mastitis. Kim Elsesser, Forbes, 12 Aug. 2022 The Everything Bra, which was designed for all-day comfort and helps to potentially lower the risk of mastitis and clogged ducts. Danielle Directo-meston, The Hollywood Reporter, 18 Apr. 2022 In this week's episode of PEOPLE's podcast Me Becoming Mom, the actress recalls her experience with mastitis and how wearing an underwire bra may have caused the inflammation. Georgia Slater, PEOPLE.com, 3 Feb. 2022 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 See More
Shafiq Najib, PEOPLE.com, 27 June 2022 Failure to express milk regularly can also lead to a breast infection called mastitis. Kim Elsesser, Forbes, 12 Aug. 2022 The Everything Bra, which was designed for all-day comfort and helps to potentially lower the risk of mastitis and clogged ducts. Danielle Directo-meston, The Hollywood Reporter, 18 Apr. 2022 In this week's episode of PEOPLE's podcast Me Becoming Mom, the actress recalls her experience with mastitis and how wearing an underwire bra may have caused the inflammation. Georgia Slater, PEOPLE.com, 3 Feb. 2022 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 Lauren, meanwhile, battled a severe case of mastitis in July. Georgia Slater, PEOPLE.com, 15 Sep. 2021 See More Word History
Etymology
Greek mastós "breast, nipple" (probably from a pre-Greek substratal language) + -itis, probably after French mastite
First Known Use
circa 1842, in the meaning defined above
Medical Definition
mastitis
noun
mas·ti·tis ma-ˈstīt-əs
plural mastitides -ˈtit-ə-ˌdēz
: inflammation of the mammary gland or udder usually caused by infection
called also mammitis
see blue bag, bovine mastitis, garget, summer mastitis