A white or light-colored mineral, essentially CaMg(CO3)2, used in fertilizer, as a furnace refractory, and as a construction and ceramic material.
A magnesia-rich sedimentary rock resembling limestone.
[French, after Déodat de Dolomieu (1750-1801), French geologist.] dol'o·mit'ic (-mĭt'ĭk) adj., dol'o·mit'i·za'tion (-mĭt'ĭ-zā'shən) n., dol'o·mit·ize' (-mĭ-tīz') v.