synostosis

noun

syn·​os·​to·​sis ˌsi-ˌnä-ˈstō-səs How to pronounce synostosis (audio)
plural synostoses ˌsi-ˌnä-ˈstō-ˌsēz How to pronounce synostosis (audio)
: union of two or more separate bones to form a single bone

Examples of synostosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Aist was born with congenital radioulnar synostosis, a condition leading to the abnormal connection of the bones in the forearm, the radius and ulna, according to the National Institutes of Health. Greeley Tribune, The Denver Post, 19 July 2020

Word History

Etymology

syn- + -ostosis

First Known Use

circa 1848, in the meaning defined above

Time Traveler
The first known use of synostosis was circa 1848

Dictionary Entries Near synostosis

Cite this Entry

“Synostosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/synostosis. Accessed 17 Dec. 2024.

Medical Definition

synostosis

noun
syn·​os·​to·​sis ˌsin-ˌäs-ˈtō-səs How to pronounce synostosis (audio)
plural synostoses -ˌsēz How to pronounce synostosis (audio)
: union of two or more separate bones to form a single bone
also : the union so formed (as at an epiphyseal line)
synostotic adjective
synostotically adverb
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