fi·​bro·​cys·​tic ˌfī-brə-ˈsi-stik How to pronounce fibrocystic (audio)
: characterized by the presence or development of fibrous tissue and cysts

Examples of fibrocystic in a Sentence

Recent Examples on the Web Most conditions that cause breast masses or lumps during the teenage years are benign, including fibroadenomas (non-cancerous tumors) and fibrocystic breasts (characterized by lumpy fibrous tissue). ​wendy Wisner, Parents, 29 Aug. 2023 Hormonal fluctuations can also lead to fibrocystic breast changes (the development of non-cancerous lumps in your boobs) around your period, which can contribute to tenderness, according to the Mayo Clinic. Rozalynn S. Frazier, SELF, 29 July 2022 Hyperestrogenism can lead to a host of gynecological conditions, including uterine fibroids, endometriosis, fibrocystic breast disease, ovarian cysts, menstrual irregularities and forms of cancer. Tyler Jett, USA TODAY, 3 Dec. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fibrocystic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of fibrocystic was in 1854

Dictionary Entries Near fibrocystic

Cite this Entry

“Fibrocystic.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

Medical Definition


fi·​bro·​cys·​tic ˌfīb-rə-ˈsis-tik How to pronounce fibrocystic (audio) ˌfib- How to pronounce fibrocystic (audio)
: characterized by the presence or development of fibrous tissue and cysts
fibrocystic changes in the pancreasLancet
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