familial adenomatous polyposis


familial adenomatous pol·​yp·​o·​sis -ˌpä-li-ˈpō-səs How to pronounce familial adenomatous polyposis (audio)
: an inherited disease of the large intestine marked by the formation especially in the colon and rectum of numerous glandular polyps which typically become malignant if left untreated

called also familial polyposis

Examples of familial adenomatous polyposis in a Sentence

Recent Examples on the Web The company says the drug can be used in the treatment of the rare disease familial adenomatous polyposis, or FAP, an inherited condition that becomes colorectal cancer in patients by age 39 on average. Laura Garcia, ExpressNews.com, 30 Aug. 2019

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

Word History


polyposis presence of polyps, from New Latin, from polypus polyp + -osis

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of familial adenomatous polyposis was in 1976

Dictionary Entries Near familial adenomatous polyposis

Cite this Entry

“Familial adenomatous polyposis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/familial%20adenomatous%20polyposis. Accessed 10 Dec. 2023.

Medical Definition

familial adenomatous polyposis

: a disease of the large intestine that is marked by the formation especially in the colon and rectum of numerous adenomatous polyps which typically become malignant if left untreated, that may be either asymptomatic or accompanied by diarrhea or bleeding, and that is inherited as an autosomal dominant trait
abbreviation FAP

called also adenomatous polyposis coli, familial polyposis

More from Merriam-Webster on familial adenomatous polyposis

Love words? Need even more definitions?

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