hyperostosis
noun
hy·per·os·to·sis
ˌhī-pər-ˌä-ˈstō-səs 
plural hyperostoses
ˌhī-pər-ˌä-ˈstō-ˌsēz
: excessive growth or thickening of bone tissue
Examples of hyperostosis in a Sentence
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For the past 10 years, Dripps had struggled with spinal deterioration and had a dual diagnosis of diffuse idiopathic skeletal hyperostosis and ankylosing spondylitis.
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Janelle Walker, Elgin Courier-News, 10 July 2018
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Janelle Walker, Elgin Courier-News, 10 July 2018
Cite this Entry
“Hyperostosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperostosis. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
hyperostosis
noun
hy·per·os·to·sis
ˌhī-pə-ˌräs-ˈtō-səs
plural hyperostoses
-ˈtō-ˌsēz
: excessive growth or thickening of bone tissue
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