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[roo-muh-toid] /ˈru məˌtɔɪd/
resembling rheumatism.
Also, rheumatoidal.
Origin of rheumatoid
1855-60; < Greek rheumat- (stem of rheûma; see rheum) + -oid
Related forms
rheumatoidally, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for rheumatoid
  • Cortisone is used to treat rheumatoid arthritis and physostigmine to treat glaucoma.
  • But sometimes rheumatoid arthritis, cancer, or another malady strikes one twin and not the other.
  • Northwestern study shows promise for treating rheumatoid.
  • He was an early expert in the causes and molecular mechanism of rheumatoid arthritis and similar diseases.
  • The exact causes of rheumatoid arthritis are unknown.
  • rheumatoid arthritis is an autoimmune disease in which the body's immune system attacks joints and other tissues.
  • The treatment of rheumatoid arthritis involves medications and lifestyle changes.
  • People who suffer from rheumatoid arthritis may see an improvement in their condition if they quit smoking, a new study has found.
  • rheumatoid arthritis is an autoimmune disorder that causes stiffness and pain in the joints.
  • Tests for thyroid disease and rheumatoid arthritis may be helpful.
British Dictionary definitions for rheumatoid


(of the symptoms of a disease) resembling rheumatism
Derived Forms
rheumatoidally, adverb
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
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Word Origin and History for rheumatoid

1847, from Greek rheumat-, stem of rheuma "a discharge from the body" (see rheum) + -oid.

Online Etymology Dictionary, © 2010 Douglas Harper
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rheumatoid in Medicine

rheumatoid rheu·ma·toid (rōō'mə-toid')

  1. Of or resembling rheumatism.

  2. Suffering from rheumatism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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