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.

---

osteoarthritis British  

/ ˌɒstɪəʊɑːˈθraɪtɪs /

noun

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

---

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.

---

Other Word Forms

• osteoarthritic
  adjective

---

Etymology

Origin of osteoarthritis

First recorded in 1875–80; osteo- + arthritis

---

Example Sentences

See Examples For:

osteoarthritis

For people living with knee osteoarthritis, the findings offer an encouraging possibility: a relatively simple change in daily nutrition may help reduce pain while supporting other aspects of physical health.

From Science Daily ● Oct. 28, 2026

Cat’s claw has been promoted to treat osteoarthritis, rheumatoid arthritis, cancer, viral infections and other conditions, according to the integrative health center.

From Los Angeles Times ● Oct. 23, 2026

The results add to a growing body of evidence investigating whether blocking abnormal knee blood vessels can offer sustained relief from osteoarthritis.

From Science Daily ● Oct. 14, 2026

Research published since the 2025 trial has provided further insight into how walking modifications might help people with knee osteoarthritis.

From Science Daily ● Oct. 11, 2026

Figure 217, taken from Hutchinson's "Archives of Surgery," represents an extreme case of deformity of the knee-joints in a boy of seven, the result of severe osteoarthritis.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

Random Word

Spin the wheel and learn a new word!

---