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[os-tee-oh-muh] /ˌɒs tiˈoʊ mə/
noun, plural osteomas, osteomata
[os-tee-oh-muh-tuh] /ˌɒs tiˈoʊ mə tə/ (Show IPA).
a benign tumor composed of osseous tissue.
1840-50; oste- + -oma Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for osteoma


noun (pl) -mata (-mətə), -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
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osteoma in Medicine

osteoma os·te·o·ma (ŏs'tē-ō'mə)
n. pl. os·te·o·mas or os·te·o·ma·ta (-mə-tə)
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.
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Encyclopedia Article for osteoma

small, often solitary bone tumour found mainly on bones of the skull. Osteomas usually appear in late childhood or young adulthood; they are often asymptomatic. They do not become malignant, and treatment (by excision) is necessary only if the tumour interferes with normal functioning.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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