osteoarthritis

American  

[os-tee-oh-ahr-thrahy-tis] / ˌɒs ti oʊ ɑrˈθraɪ tɪs /

noun

Pathology.

1. the most common form of arthritis, usually occurring after middle age, marked by chronic breakdown of cartilage in the joints leading to pain, stiffness, and swelling.

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osteoarthritis British  

/ ˌɒstɪəʊɑːˈθraɪtɪs /

noun

1. Also called: degenerative joint disease.  chronic inflammation of the joints, esp those that bear weight, with pain and stiffness

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osteoarthritis Scientific  

/ ŏs′tē-ō-är-thrī′tĭs /

1. A form of arthritis, occurring mainly in older people, that is characterized by chronic degeneration of the cartilage of the joints.

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Other Word Forms

• osteoarthritic
  adjective

Etymology

Origin of osteoarthritis

First recorded in 1875–80; osteo- + arthritis

Example Sentences

See Examples For:

osteoarthritis

Patients with irritable bowel syndrome who took an experimental GLP-1 drug reported relief of acute pain and those with knee osteoarthritis and obesity have less knee pain though that can’t be separated from weight loss.

From The Wall Street Journal ● Sep. 18, 2026

America’s population is aging, which means the number of people with osteoarthritis keeps rising.

From The Wall Street Journal ● Sep. 13, 2026

Scientists at the University at Buffalo have developed an injectable hydrogel designed to keep osteoarthritis treatments inside the joint for much longer than conventional injections.

From Science Daily ● Aug. 31, 2026

Although osteoarthritis is often associated with older age, roughly half of cases occur among people who are still of working age.

From Science Daily ● Aug. 20, 2026

One form of this, commonly seen in old men, called osteoarthritis, is often confined to the hip joint, and often produces considerable deformity.

From Psychotherapy by James J. (James Joseph) Walsh