- dolomite - a kind of sedimentary rock resembling limestone but consisting almost entirely of the mineral dolomite
--1 is a kind of rock, stone
- dolomite - a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
--2 is a kind of mineral
--2 has substances: magnesium, Mg, atomic number 12 - dolomite - a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer