exostosis

noun
ex·os·to·sis | \ˌek-(ˌ)sä-ˈstō-səs \
plural exostoses\ˌek-(ˌ)sä-ˈstō-ˌsēz \

Definition of exostosis 

: a spur or bony outgrowth from a bone or the root of a tooth

Examples of exostosis in a Sentence

Recent Examples on the Web

Cold Water Love catching waves? Surfers and other cold water swimmers are prone to something called exostoses, or small bony growths in the ear canal that develop slowly over time and can prevent sound from getting in. Clare Thorp, Cosmopolitan, "5 Ways To Protect Your Hearing, Straight From the Professionals," 2 Aug. 2017 Riley was born with a genetic condition called hereditary multiple exostoses (HME), which causes irregular bone growth. George Diaz, OrlandoSentinel.com, "David Ragan gives teen thrill ride at Daytona during bittersweet weekend," 4 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exostosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of exostosis

1736, in the meaning defined above

History and Etymology for exostosis

New Latin, from Greek exostōsis, from ex out of + osteon bone — more at ex-, osseous

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Dictionary Entries near exostosis

exossate

Exostema

exostome

exostosis

exostracize

exoteric

exoterica

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The first known use of exostosis was in 1736

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More Definitions for exostosis

exostosis

noun
ex·os·to·sis | \ˌek-(ˌ)säs-ˈtō-səs \
plural exostoses\-ˌsēz \

Medical Definition of exostosis 

: a spur or bony outgrowth from a bone or the root of a tooth

Other Words from exostosis

exostotic \-ˈtät-ik \ adjective

More from Merriam-Webster on exostosis

Britannica.com: Encyclopedia article about exostosis

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