Cerium oxide (CeO2), phofo e tšehla e bobebe mochesong oa kamore, ke oxide e tsitsitseng ka ho fetisisa ea rare earth element cerium. E sebelisoa haholo e le li-additives indastering ea likhalase, lisebelisoa tsa ho bentša, li-additives tsa pente, lisebelisoa tse sa tloaelehang tsa luminescent tsa lefats'e, joalo-joalo, hape e le lisebelisoa tse tala bakeng sa ho qaptjoa ha tšepe ea cerium.
Khamphani ea WONAIXI e hlahisitse cerium oxide ka lilemo tse fetang leshome 'me e ka fa bareki lihlahisoa tsa boleng bo phahameng ba cerium oxide le theko ea tlhōlisano.