exostosis

[ ek-so-stoh-sis, -suh- ]

/ ˌɛk sɒˈstoʊ sɪs, -sə- /

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noun, plural ex·os·to·ses

[ek-so-stoh-seez, -suh-]. /ˌɛk sɒˈstoʊ siz, -sə-/. Pathology.

the abnormal formation of a bony growth on a bone or tooth.

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Origin of exostosis

1730–40; <New Latin <Greek exóstōsis an outgrowth. See ex-³, ostosis

OTHER WORDS FROM exostosis

ex·os·tosed, adjectiveex·os·tot·ic

[ek-so-stot-ik, -suh-], /ˌɛk sɒˈstɒt ɪk, -sə-/, adjective

Words nearby exostosis

exoskeleton, exosmosis, exosphere, exospore, exosporium, exostosis, exostosis cartilaginea, exoteric, exoterica, exothermic, exotic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use exostosis in a sentence

But why then can we not thus remove a fatty tumour, a true exostosis, or a malignant growth?
The Action of Medicines in the System|Frederick William Headland
As a result there is a marked depression at the coronet, the depression being heightened in effect by the exostosis in front.
Diseases of the Horse's Foot|Harry Caulton Reeks
When an exostosis has developed puncture firing is the remedy par excellence.
Lameness of the Horse|John Victor Lacroix
The nearness of the exostosis to the tibiotarsal articulation can be definitely determined by palpation.
Lameness of the Horse|John Victor Lacroix

In making examinations one must not be deceived by the inconspicuous and seemingly insignificant exostosis which has a broad base.
Lameness of the Horse|John Victor Lacroix

British Dictionary definitions for exostosis

exostosis

/ (ˌɛksɒˈstəʊsɪs) /

noun plural -ses (-siːz)

an abnormal bony outgrowth from the surface of a bone

Word Origin for exostosis

C18: via New Latin from Greek, from ex- 1 + osteon bone

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

Medical definitions for exostosis

exostosis

[ ĕk′sŏ-stō′sĭs ]

n. pl. -ses (-sēz)

A projection that is capped by cartilage and arises from a bone that develops from cartilage.hyperostosis poroma