/ Dictionary / Index A autoimmune disease: Meaning and Definition of Find definitions for: autoimmune' disease" Pronunciation: [key] — Pathol. Pathol. a disease resulting from a disordered immune reaction in which antibodies are produced against one's own tissues, as systemic lupus erythematosus or rheumatoid arthritis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autoimmune autoimmunization Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language