/ Dictionary / Index N nitroxanthic acid: Meaning and Definition of Find definitions for: ni'tro•xan'thic ac'id Pronunciation: (nī'tru-zan'thik, nī"-), [key] — Chem. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nitrous oxide Nitti Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language