dolomite Meaning, Definition & Usage
noun a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate
noun a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
EtymologyAfter the French geologist
(Geol. & Min.) A mineral consisting of the carbonate of lime and magnesia in varying proportions. It occurs in distinct crystals, and in extensive beds as a compact limestone, often crystalline granular, either white or clouded. It includes much of the common white marble. Also called bitter spar.