/ Dictionary / Index S sphalerite: Meaning and Definition of Find definitions for: sphal•er•ite Pronunciation: (sfal'u-rīt", sfā'lu-), [key] — n. a very common mineral, zinc sulfide, ZnS, usually containing some iron and a little cadmium, occurring in yellow, brown, or black crystals or cleavable masses with resinous luster: the principal ore of zinc and cadmium; blackjack. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sphalerite (Thesaurus) sphagnum S phase Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language