/ Dictionary / Index G garnierite: Meaning and Definition of Find definitions for: gar•ni•er•ite Pronunciation: (gär'nē-u-rīt"), [key] — n. a mineral, hydrous nickel magnesium silicate, occurring in earthy, green masses: an important ore of nickel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: garnierite (Thesaurus) garni* garnish Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language