/ Dictionary / Index N nytril: Meaning and Definition of Find definitions for: ny•tril Pronunciation: (nī'tril), [key] — n. a synthetic, long-chain polymer fiber that produces a soft, elastic fabric. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nystatin Nyungar 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