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arthritis
noun
ar·thri·tis
är-ˈthrī-təs
plural arthritides
är-ˈthri-tə-ˌdēz
: inflammation of joints due to infectious, metabolic, or constitutional causes
also
: a specific arthritic condition
Examples of arthritis in a Sentence
Recent Examples on the Web
The Arthritis Foundation reports nearly 60 million adults in the U.S. have arthritis, while a 2021 study assessing data from the National Health and Nutrition Examination Survey indicates more than 7.5 million have psoriasis.
—
Noor Lobad, WWD, 4 Feb. 2025
The American Kennel Club (AKC) reported that about one in five dogs experience canine arthritis.
—
David Faris, Newsweek, 3 Feb. 2025
Rheumatoid arthritis, which affects about 1.5 million people in the U.S., is poised to become the first autoimmune disease treated with electrical pulses sent through the vagus nerve.
—
Jon Hamilton, NPR, 3 Feb. 2025
They’ve been implicated in neck instability, degenerative arthritis in dogs and recurrent laryngeal nerve paralysis, which can affect voice and swallowing ability.
—
Dawn Kovell, The Mercury News, 28 Jan. 2025
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Word History
Etymology
borrowed from Late Latin arthrītis "pain in the joints," borrowed from Greek arthrītid-, arthrîtis "of the joints" (arthrîtis nósos "disease of the joints"), (as a noun) "gout," from árthron "joint, articulation" + -ītis -itis — more at arthro-
First Known Use
1543, in the meaning defined above
Phrases Containing arthritis
Dictionary Entries Near arthritis
Cite this Entry
“Arthritis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arthritis. Accessed 9 Feb. 2025.
Kids Definition
arthritis
noun
ar·thri·tis
är-ˈthrīt-əs
: inflammation of the joints
arthritic
adjective or noun
-ˈthrit-ik
Medical Definition
arthritis
noun
ar·thri·tis
är-ˈthrīt-əs
plural arthritides
-ˈthrit-ə-ˌdēz
: inflammation of joints due to infectious, metabolic, or constitutional causes
also
: a specific arthritic condition (as gouty arthritis or psoriatic arthritis)
More from Merriam-Webster on arthritis
Nglish: Translation of arthritis for Spanish Speakers
Britannica English: Translation of arthritis for Arabic Speakers
Britannica.com: Encyclopedia article about arthritis
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