osteoarthritis

noun
os·te·o·ar·thri·tis | \ ˌä-stē-ō-är-ˈthrī-təs \

Definition of osteoarthritis 

: 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 — compare rheumatoid arthritis

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Other words from osteoarthritis

osteoarthritic \ˌä-stē-ō-är-ˈthri-tik \ adjective

Examples of osteoarthritis in a Sentence

Recent Examples on the Web

According to a 2015 meta-analysis in BMJ Open, having a BMI in the overweight or obese range can significantly increase your risk for knee osteoarthritis. Sarah Jacoby, SELF, "The Science on Weight and Health," 26 June 2018 The myth that running causes osteoarthritis and ruins your knees has long been debunked. Alex Hutchinson, Outside Online, "Running with Bad Knees Might Be OK After All," 25 May 2018 In one, those whose daily fiber intake averaged 20 grams had a 30 percent lower risk of knee osteoarthritis than people who ate about eight grams. Consumer Reports, Washington Post, "Fiber has surprising anti-aging benefits, but most people don’t eat enough of it," 30 Apr. 2018 Cathy Mitchell, a disabled registered nurse, suffers from a long list of injuries and diseases, including osteoarthritis, post-major lumbar surgery for ruptured discs, cervical scoliosis and bilateral carpal tunnel syndrome. Josephine Chu, USA TODAY, "Chronic pain patients, overlooked in opioid crisis, getting new attention from top at FDA," 2 July 2018 Most often it’s osteoarthritis (OA), where the cartilage between joints wears down, causing swelling, pain and disability in some. Consumer Reports, Washington Post, "Knee and hip replacements are common, but they’re not always fully successful," 18 June 2018 A few years ago, in collaboration with the rheumatologist Anushka Soni, Tracey began imaging the brains of osteoarthritis patients before and after knee-replacement surgery. Nicola Twilley, The New Yorker, "The Neuroscience of Pain," 9 May 2016 Froehlich's vet diagnosed the puppies with severe hip issues, known as dysplasia, causing osteoarthritis and likely pain, medical records show. Rebekah L. Sanders, azcentral, "Arizona U-Haul billionaire dumps 7 sick rottweilers on dog rescue in Gilbert," 26 June 2018 Calibr also has a drug in early testing for osteoarthritis, the most common form of the disease. Bradley J. Fikes, sandiegouniontribune.com, "Scripps Research, AbbVie join in large cancer therapy alliance," 25 June 2018

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

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First Known Use of osteoarthritis

1878, in the meaning defined above

History and Etymology for osteoarthritis

New Latin

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Last Updated

12 Sep 2018

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Time Traveler for osteoarthritis

The first known use of osteoarthritis was in 1878

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More Definitions for osteoarthritis

osteoarthritis

noun

English Language Learners Definition of osteoarthritis

medical : a disease that causes the joints to become very painful and stiff

osteoarthritis

noun
os·teo·ar·thri·tis | \ ˌäs-tē-ō-är-ˈthrīt-əs \
plural osteoarthritides\-ˈthrit-ə-ˌdēz \

Medical Definition of osteoarthritis 

: 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

Other words from osteoarthritis

osteoarthritic \-ˈthrit-ik \ 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, 11 Mar. 1998

More from Merriam-Webster on osteoarthritis

Britannica.com: Encyclopedia article about osteoarthritis

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