/ Dictionary / Index R rheumatology: Meaning and Definition of Find definitions for: rheu•ma•tol•o•gy Pronunciation: (r"mu-tol'u-jē), [key] — n. the study and treatment of rheumatic diseases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rheumatology (Thesaurus) rheumatologist rheumy Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language