osteoma

os·te·o·ma

[os-tee-oh-muh]
noun, plural os·te·o·mas, os·te·o·ma·ta [-muh-tuh] . Pathology.
a benign tumor composed of osseous tissue.

Origin:
1840–50; oste- + -oma

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Collins
World English Dictionary
osteoma (ˌɒstɪˈəʊmə) [Click for IPA pronunciation guide]
 
n , pl -mata, -mas
a benign tumour composed of bone or bonelike tissue

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Osteoma is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a stew of meat, vegetables, potatoes, etc.
American Heritage
Medical Dictionary

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 Britannica
Encyclopedia

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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