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osteoarthritis

[os-tee-oh-ahr-thrahy-tis]
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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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Origin of osteoarthritis

First recorded in 1875–80; osteo- + arthritis
Also called degenerative joint disease.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for osteoarthritis

osteoarthritis

noun
  1. chronic inflammation of the joints, esp those that bear weight, with pain and stiffnessAlso called: degenerative joint disease
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Derived Formsosteoarthritic (ˌɒstɪəʊɑːˈθrɪtɪk), adjective, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

osteoarthritis in Medicine

osteoarthritis

(ŏs′tē-ō-är-thrītĭs)
n.
  1. A form of arthritis, occurring mainly in older persons, that is characterized by chronic degeneration of the cartilage of the joints.degenerative joint disease hypertrophic arthritis osteoarthrosis
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Related formsos′te•o•ar•thritic (-thrĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

osteoarthritis in Science

osteoarthritis

[ŏs′tē-ō-är-thrītĭs]
  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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.