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

A minimally invasive procedure that targets abnormal blood vessels in the knee could provide lasting relief for people struggling with osteoarthritis, offering a potential alternative to joint replacement surgery.

From Science Daily ● Oct. 14, 2026

This helps explain why osteoarthritis affecting the inside of the knee is especially common.

From Science Daily ● Oct. 11, 2026

The 2026 study did not examine long-term cartilage deterioration, so it cannot establish whether these additional walking strategies slow osteoarthritis progression.

From Science Daily ● Oct. 11, 2026

More importantly, the approach may help address something painkillers cannot: the excessive pressure on knee joints that contributes to osteoarthritis progression.

From Science Daily ● Oct. 11, 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