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

However, it is testing zenagamtide, a promising new weight-loss drug, in Phase 3 studies as a possible treatment for knee osteoarthritis, according to corporate filings.

From MarketWatch ● Oct. 8, 2026

In a study published in Bioactive Materials, scientists found that the medication lacosamide can serve two purposes in osteoarthritis, reducing joint pain while also reversing cartilage damage.

From Science Daily ● Oct. 8, 2026

It’s testing eloralintide and its GLP-1 pill Foundayo to see if either can lessen osteoarthritis pain.

From MarketWatch ● Oct. 8, 2026

For millions of people with osteoarthritis, pain and stiffness can make everyday activities increasingly difficult.

From Science Daily ● Oct. 8, 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