/ Dictionary / Index K kieserite: Meaning and Definition of Find definitions for: kie•ser•ite Pronunciation: (kē'zu-rīt"), [key] — n. a mineral, hydrous magnesium sulfate, MgSO&multiplydot;HO, having a white or yellowish color and found with salt deposits. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kieserite (Thesaurus) kieselguhr Kiev Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language