/ Dictionary / Index R Rh disease: Meaning and Definition of Find definitions for: Rh disease Pronunciation: [key] — Pathol. Pathol. erythroblastosis (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. r.h.b. rhe Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language