noun, plural os·te·o·mas, os·te·o·ma·ta [os-tee-oh-muh-tuh] /ˌɒs tiˈoʊ mə tə/. Pathology.

a benign tumor composed of osseous tissue.

Origin of osteoma

First recorded in 1840–50; oste- + -oma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for osteoma

Historical Examples of osteoma

British Dictionary definitions for osteoma


noun plural -mata (-mətə) or -mas

a benign tumour composed of bone or bonelike tissue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

osteoma in Medicine



n. pl. os•te•o•mas

A benign tumor composed of bony tissue, often developing on the skull.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.