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Related to zirconium oxide: Cerium Oxide
A hard white amorphous powder, ZrO2, derived from zirconium and also found naturally, used chiefly in pigments, refractories, and ceramics and as an abrasive.
(Elements & Compounds) a white amorphous powder that is insoluble in water and highly refractory, used as a pigment for paints, a catalyst, and an abrasive. Formula: ZrO2. Also called: zirconia