noun ceria cerium dioxide, CeO2, a white compound used as in ceramics 3
noun ceria a white-to-yellow, heavy powder, cerium dioxide, CeO 2 , usually derived from cerium nitrate by decomposition with heat: used chiefly in ceramics, glass polishing, and decolorizing. 1
noun ceria (chemistry) the compound cerium(IV) oxide. 1
