/ Dictionary / Index N natrolite: Meaning and Definition of Find definitions for: nat•ro•lite Pronunciation: (na'tru-līt", nā'-), [key] — n. a white or colorless zeolite mineral, a hydrous silicate of sodium and aluminum, NaAlSiO&multiplydot;2HO, often occurring in acicular crystals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: natrolite (Thesaurus) natriuresis natron Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language