/ Dictionary / Index N natron: Meaning and Definition of Find definitions for: na•tron Pronunciation: (nā'tron, -trun), [key] — n. a mineral, hydrated sodium carbonate, NaCO&multiplydot;10HO. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. natrolite Natsume Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language