synostosis

noun

syn·​os·​to·​sis ˌsi-ˌnä-ˈstō-səs 

plural synostoses ˌsi-ˌnä-ˈstō-ˌsēz 

: union of two or more separate bones to form a single bone

Examples of synostosis in a Sentence

Recent Examples on the Web

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

Medical Definition

synostosis

noun

syn·​os·​to·​sis ˌsin-ˌäs-ˈtō-səs 

plural synostoses -ˌsēz 

: union of two or more separate bones to form a single bone

also : the union so formed (as at an epiphyseal line)

synostotic

-ˈtät-ik 

adjective

synostotically

-i-k(ə-)lē 

adverb