/ Dictionary / Index N noso-: Meaning and Definition of Find definitions for: noso- Pronunciation: [key] a combining form meaning “disease,” used in the formation of compound words: nosology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. no-smoking nosocomial Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language