exostosis

[ ek-so-stoh-sis, -suh- ]
/ ˌɛk sɒˈstoʊ sɪs, -sə- /

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.

Origin of exostosis

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

OTHER WORDS FROM exostosis

ex·os·tosed, adjective ex·os·tot·ic [ek-so-stot-ik, -suh-] /ˌɛk sɒˈstɒt ɪk, -sə-/, adjective

Example sentences from the Web for exostosis

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

Medical definitions for exostosis

exostosis
[ ĕk′sŏ-stōsĭs ]

n. pl. -ses (-sēz)

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