Definition of adenoma in English:

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Pronunciation: /ˌadnˈōmə/

noun (plural adenomas or adenomata /-mətə/)

A benign tumor formed from glandular structures in epithelial tissue.
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.

For editors and proofreaders

Syllabification: ad·e·no·ma

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