osteoarthritis

[ os-tee-oh-ahr-thrahy-tis ]
/ ˌɒs ti oʊ ɑrˈθraɪ tɪs /

noun Pathology.

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.

QUIZZES

FOR POSTERITY’S SAKE, TAKE THIS WORD OF THE DAY QUIZ!

Are words your bailiwick? Take the latest quiz on the words from July 6 to July 12 to find out.
Question 1 of 7
bailiwick
a creature, variously described as a serpent, lizard, or dragon, said to kill by its breath or look.
place or source of origin.
a person's area of skill, knowledge, authority, or work.
TAKE THE QUIZ TO FIND OUT
Also called degenerative joint disease.

Origin of osteoarthritis

First recorded in 1875–80; osteo- + arthritis

Words nearby osteoarthritis

ostensory, ostentation, ostentatious, osteo-, osteoanagenesis, osteoarthritis, osteoarthropathy, osteoarthrosis, osteoblast, osteoblastoma, osteocartilaginous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for osteoarthritis

osteoarthritis
/ (ˌɒstɪəʊɑːˈθraɪtɪs) /

noun

chronic inflammation of the joints, esp those that bear weight, with pain and stiffnessAlso called: degenerative joint disease

Derived forms of osteoarthritis

osteoarthritic (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

Medical definitions for osteoarthritis

osteoarthritis
[ ŏs′tē-ō-är-thrī′tĭs ]

n.

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

Other words from osteoarthritis

os′te•o•ar•thrit′ic (-thrĭt′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for osteoarthritis

osteoarthritis
[ ŏs′tē-ō-är-thrī′tĭs ]

A form of arthritis, occurring mainly in older people, that is characterized by chronic degeneration of the cartilage of the joints.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.