Arthritis Definition

är-thrītĭs

noun

Inflammation of a joint, usually accompanied by pain, swelling, and stiffness, resulting from infection, trauma, degenerative changes, metabolic disturbances, or other causes. It occurs in various forms, such as bacterial arthritis, osteoarthritis, or rheumatoid arthritis.

American Heritage

Inflammation of a joint or joints, esp. as in rheumatoid arthritis.

Webster's New World

Any of several diseases of the joints, such as osteoarthritis or rheumatoid arthritis, characterized by pain, swelling, and often stiffness, and usually involving inflammation.

American Heritage Medicine

Inflammation of a joint or joints causing pain and/or disability, swelling and stiffness, and due to various causes such as infection, trauma, degenerative changes or metabolic disorders.

Wiktionary

Synonyms:

Origin of Arthritis

From Latin, from Ancient Greek ἀρθρῖτις (arthritis, “joint-disease, gout”), from ἄρθρον (arthron, “a joint”). See also arthro- and -itis.

From Wiktionary