Definition of adenoma in English:


Syllabification: ad·e·no·ma
Pronunciation: /ˌadnˈōmə

noun (plural adenomas or adenomata /-mətə/)

  • A benign tumor formed from glandular structures in epithelial tissue.
    More example sentences
    • It is currently believed that most colorectal carcinomas start as benign adenomas that undergo malignant transformation into adenocarcinoma.
    • These authors do not clearly state whether these 14 cases represent true malignant mixed tumors or carcinoma ex-pleomorphic adenomas.
    • Hepatic adenomas are benign tumors composed entirely of hepatocytes and the appropriate supporting connective tissue framework.


late 19th century: from Latin, from Greek adēn 'gland' + -oma.

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a small amount; a little