noun
- Chemistry. a white, heavy, amorphous, odorless and tasteless, infusible, water-insoluble powder, ZrO2, used chiefly as a pigment for paints, an abrasive, and in the manufacture of refractory crucibles.
noun
- another name (not in technical usage) for zirconium oxide
noun
- a white amorphous powder that is insoluble in water and highly refractory, used as a pigment for paints, a catalyst, and an abrasive. Formula: ZrO 2Also called: zirconia