osteoarthritis

noun

os·​te·​o·​ar·​thri·​tis ˌä-stē-ō-är-ˈthrī-təs How to pronounce osteoarthritis (audio)
: a common form of arthritis typically with onset during middle or old age that is characterized by progressive degenerative changes in the cartilage of one or more joints (as of the knees, hips, and hands) accompanied by thickening and overgrowth of adjacent bone and that is marked symptomatically chiefly by stiffness, swelling, pain, deformation of joints, and loss of range of motion
abbreviation OA
compare rheumatoid arthritis
osteoarthritic adjective

Examples of osteoarthritis 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.
But that stopped in 2021 when veterinarians found osteoarthritis in his elbow − the most common site of the condition in dogs, according to vets. Claire Thornton, USA TODAY, 8 Nov. 2024 As the Johns Hopkins Arthritis Center notes, overweight women have almost four times the risk of developing knee osteoarthritis when compared to non-obese women. Joseph Choi, The Hill, 31 Oct. 2024 Participants had an average age of 56, and roughly 80% of the cohort were women, who experience osteoarthritis at higher rates than men do. Annika Kim Constantino,ashley Capoot, CNBC, 31 Oct. 2024 About 80% of the people in the study were women, who experience osteoarthritis at higher rates than men. Kaitlin Sullivan, NBC News, 30 Oct. 2024 See all Example Sentences for osteoarthritis 

Word History

Etymology

New Latin

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of osteoarthritis was in 1878

Dictionary Entries Near osteoarthritis

Cite this Entry

“Osteoarthritis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/osteoarthritis. Accessed 29 Nov. 2024.

Kids Definition

osteoarthritis

noun
os·​teo·​ar·​thri·​tis
ˌäs-tē-ō-är-ˈthrīt-əs
: arthritis marked by the breakdown of cartilage and bone of joints

Medical Definition

osteoarthritis

noun
os·​teo·​ar·​thri·​tis ˌäs-tē-ō-är-ˈthrīt-əs How to pronounce osteoarthritis (audio)
plural osteoarthritides -ˈthrit-ə-ˌdēz How to pronounce osteoarthritis (audio)
: a common form of arthritis typically with onset during middle or old age that is characterized by progressive degenerative changes in the cartilage of one or more joints (as of the knees, hips, and hands) accompanied by thickening and overgrowth of adjacent bone and that is marked symptomatically chiefly by stiffness, swelling, pain, deformation of joints, and loss of range of motion
abbreviation OA

called also degenerative arthritis, degenerative joint disease, hypertrophic arthritis

compare rheumatoid arthritis
osteoarthritic adjective
Treatment for hand and finger osteoarthritis has the same goals as treatment for any osteoarthritic joint: pain reduction, mobility maintenance and minimization of disability. Paul G. Donohue, The Springfield (Massachusetts) Union-News

More from Merriam-Webster on osteoarthritis

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!