osteoarthritis

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 —abbreviation OA — compare rheumatoid arthritis

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Examples of osteoarthritis in a Sentence

Recent Examples on the Web The researchers followed 8,002 individuals with or at risk of knee osteoarthritis for up to eight years. — Joshua Bote, USA TODAY, "Need knee replacement surgery? Get it before it's too late, study says," 14 Jan. 2020 The study, published Monday in the Journal of Bone and Joint Surgery, followed over 8,000 people with symptoms of knee osteoarthritis for up to eight years. — Sandee Lamotte, CNN, "Most people wait too long for knee replacement surgery, study says," 13 Jan. 2020 But what about people tormented with the pain and stiffness of osteoarthritis, particularly in the knees and hips? — Amby Burfoot, chicagotribune.com, "Dealing with arthritis pain? Keep moving, or it might get worse.," 15 Nov. 2019 But what about people tormented with the pain and stiffness of osteoarthritis, particularly in the knees and hips? — Amby Burfoot, Washington Post, "Giving into arthritis pain will only make things worse. Here’s how to keep moving.," 12 Nov. 2019 Corticosteroid injections are often given to reduce pain and inflammation from osteoarthritis. — Jacqueline Stenson, NBC News, "Common joint pain treatment may be more harmful than thought," 15 Oct. 2019 In fact, 70 percent of those age 65 and older show some type of osteoarthritis via X-ray. — cleveland, "Mandel Jewish Day School postpones building dedication after death of Morton Mandel, 98; University Hts. man named top adjunct teacher; more: Press Run," 18 Oct. 2019 Prevention of equine osteoarthritis varies depending on the type. — Texas A&m University, Houston Chronicle, "PET TALK: What to know about equine osteoarthritis," 5 Oct. 2019 Those medications include flu, shingles and measles, mumps and rubella vaccines and osteoarthritis medicine. — SFChronicle.com, "PG&E outage: Here’s what’s open and what’s closed," 9 Oct. 2019

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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Last Updated

17 Jan 2020

Cite this Entry

“Osteoarthritis.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/osteoarthritis. Accessed 19 January 2020.

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More Definitions for osteoarthritis

osteoarthritis

noun