tsirkooniumoksiidkeraamika, mille toatemperatuuril stabiilne kuubiline struktuur on saadud ütriumoksiidi (Y2O3) lisandiga (vt tehnokeraamika), a ceramic in which the cubic crystal structure of zirconium dioxide (ZrO2) is made stable at room temperature by an addition of yttrium oxide (Y2O3) (see: engineering ceramics)