- 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.
Origin of zirconium oxide
First recorded in 1865–70
Also called zir·co·ni·a [zur-koh-nee-uh] /zɜrˈkoʊ ni ə/, zirconium dioxide.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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