adenoma

noun

ad·​e·​no·​ma ˌa-də-ˈnō-mə 

plural adenomas also adenomata ˌa-də-ˈnō-mə-tə 

: a benign tumor of a glandular structure or of glandular origin

adenomatous

ˌa-də-ˈnō-mə-təs 

adjective

Examples of adenoma in a Sentence

Recent Examples on the Web

In 2019, an international group of researchers suggested that Simonetta suffered from a pituitary adenoma, or a benign tumor on the pituitary gland. — Laura Baisas, Popular Science, 17 June 2026

Six of the cases are meningiomas, two are gliomas, two are pituitary adenomas, and one is a schwannoma of the optic nerve. — Rick Sobey, Boston Herald, 14 June 2026

Adults with a history of precancerous colon polyps (adenomas) had gut bacteria that remained different from people who’d never had polyps, and some patterns resembled those seen in colorectal cancer. — Tom Gavin, EverydayHealth.com, 27 May 2026

Nearly half of the runners' colons exhibited polyps (also called adenomas), which sometimes, but not always, transform into cancer. — Rachel Raposas, PEOPLE, 22 May 2026

Word History

Etymology

probably borrowed from German Adenom, Adenoma, from Greek aden-, adḗn "gland" + German -om, New Latin -oma -oma — more at adeno-

First Known Use

1934, in the meaning defined above

Rhymes for adenoma

• enema

Medical Definition

adenoma

noun

ad·​e·​no·​ma ˌad-ᵊn-ˈō-mə 

plural adenomas also adenomata -mət-ə 

: a benign tumor of a glandular structure or of glandular origin

adenomatous

-mət-əs 

adjective