hyperostosis

noun

hy·​per·​os·​to·​sis ˌhī-pər-ˌä-ˈstō-səs How to pronounce hyperostosis (audio)
plural hyperostoses ˌhī-pər-ˌä-ˈstō-ˌsēz How to pronounce hyperostosis (audio)
: excessive growth or thickening of bone tissue
hyperostotic adjective

Example Sentences

Recent Examples on the Web For the past 10 years, Dripps had struggled with spinal deterioration and had a dual diagnosis of diffuse idiopathic skeletal hyperostosis and ankylosing spondylitis. Janelle Walker, Elgin Courier-News, 10 July 2018

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

Word History

Etymology

New Latin

First Known Use

circa 1836, in the meaning defined above

Time Traveler
The first known use of hyperostosis was circa 1836

Dictionary Entries Near hyperostosis

Cite this Entry

“Hyperostosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperostosis. Accessed 22 Mar. 2023.

Medical Definition

hyperostosis

noun
hy·​per·​os·​to·​sis ˌhī-pə-ˌräs-ˈtō-səs How to pronounce hyperostosis (audio)
plural hyperostoses -ˈtō-ˌsēz How to pronounce hyperostosis (audio)
: excessive growth or thickening of bone tissue
hyperostotic adjective
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