tendinosis

noun

ten·​di·​no·​sis ˌten-də-ˈnō-səs How to pronounce tendinosis (audio)
variants or tendonosis
: progressive degeneration of a tendon (as from chronic overuse) that usually involves fraying or tearing of fibrous tissue and is typically accompanied by pain and stiffness but little inflammation
quadriceps tendinosis
tendinosis of the Achilles tendon

Examples of tendinosis in a Sentence

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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.
So judging where Oladipo stands remains unclear with the left knee tendinosis that has had the veteran guard out since the preseason. — Ira Winderman, Sun Sentinel, 30 Nov. 2022 Davis has been sidelined since Feb. 14 with a calf strain and tendinosis in his right leg and has missed the last 30 games. — Matt Eppers, USA TODAY, 22 Apr. 2021

Word History

Etymology

tendin-, tendon- (as in tendinitis, tendonitis) + -osis

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of tendinosis was in 1951

Rhymes for tendinosis

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Browse Nearby Words

tendinopathy
tendinosis
tendinous
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Cite this Entry

“Tendinosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tendinosis. Accessed 28 Mar. 2025.

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Medical Definition

tendinosis

noun
ten·​di·​no·​sis ˌten-də-ˈnō-səs How to pronounce tendinosis (audio)
variants or tendonosis
: progressive degeneration of a tendon (as from chronic overuse) that usually involves fraying or tearing of fibrous tissue and is typically accompanied by pain and stiffness but little inflammation
tendinosis of the Achilles tendon
rotator cuff tendinosis
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