/ Dictionary / Index N nahcolite: Meaning and Definition of Find definitions for: nah•co•lite Pronunciation: (nä'ku-līt"), [key] — n. a carbonate mineral, naturally occurring sodium bicarbonate, NaHCO. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. NAHB Nahua Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language