osteoarthritis

play
noun os·te·o·ar·thri·tis \ ˌä-stē-ō-är-ˈthrī-təs \

Definition of osteoarthritis

:a common form of arthritis typically with onset during middle or old age that is characterized by progressive degenerative changes in the cartilage of one or more joints (as of the knees, hips, and hands) accompanied by thickening and overgrowth of adjacent bone and that is marked symptomatically chiefly by stiffness, swelling, pain, deformation of joints, and loss of range of motion — compare rheumatoid arthritis

osteoarthritic

play \ˌä-stē-ō-är-ˈthri-tik\ adjective

Recent Examples of osteoarthritis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'osteoarthritis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of osteoarthritis

New Latin


OSTEOARTHRITIS Defined for English Language Learners

osteoarthritis

play
noun

Definition of osteoarthritis for English Language Learners

  • medical : a disease that causes the joints to become very painful and stiff


Medical Dictionary

osteoarthritis

play
noun os·teo·ar·thri·tis \ ˌäs-tē-ō-är-ˈthrīt-əs \

medical Definition of osteoarthritis

plural osteoarthritides play \-ˈthrit-ə-ˌdēz\
:a common form of arthritis typically with onset during middle or old age that is characterized by progressive degenerative changes in the cartilage of one or more joints (as of the knees, hips, and hands) accompanied by thickening and overgrowth of adjacent bone and that is marked symptomatically chiefly by stiffness, swelling, pain, deformation of joints, and loss of range of motion abbreviation OA called also degenerative arthritis, degenerative joint disease, hypertrophic arthritis; compare rheumatoid arthritis

osteoarthritic

play \-ˈthrit-ik\ adjective
    • Treatment for hand and finger osteoarthritis has the same goals as treatment for any osteoarthritic joint: pain reduction, mobility maintenance and minimization of disability.
    • —Paul G. DonohueThe Springfield (Massachusetts) Union-News11 Mar. 1998

Learn More about osteoarthritis


Seen and Heard

What made you want to look up osteoarthritis? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a ram's-horn trumpet used in Judaism

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!