/ Dictionary / Index N nitratine: Meaning and Definition of Find definitions for: ni•tra•tine Pronunciation: (nī'tru-tēn", -tin), [key] — n. Mineral. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nitrate film nitre Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language