/ Dictionary / Index I immunodiagnosis: Meaning and Definition of Find definitions for: im•mu•no•di•ag•no•sis Pronunciation: (im"yu-nō-dī"ug-nō'sis, i-my"-), [key] — pl. -ses serodiagnosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. immunodeficiency immunodiagnostics Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language