from The American Heritage® Dictionary of the English Language, 5th Edition.

  • 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.

from The Century Dictionary.

  • noun Inflammation of a joint.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med.) Any inflammation of the joints, including the gout. A variety of forms of arthritis are recognized, some of which (such as rheumatoid arthritis, also called arthritis deformans and arthritis nodosa) are chronic and progressive, and lead to incapacitation and deformity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun inflammation of a joint or joints


from Wiktionary, Creative Commons Attribution/Share-Alike License

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


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