/ Dictionary / Index N narcodiagnosis: Meaning and Definition of Find definitions for: nar•co•di•ag•no•sis Pronunciation: (när"kō-dī"ug-nō'sis), [key] — n. Psychiatry. the use of drugs to produce narcosis as an aid in diagnosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. narcoanalysis narcolepsy Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language