osastabiliseeritud tsirkooniumdioksiidi osakestega (10-30 mahu%) dispersioonsitkestatud Al2O3- baasil tehnokeraamika (vt tehnokeraamika; tsirkooniasitke keraamika), a composite consisting of an alumina (Al2O3) matrix and a dispersion of (10-30 vol%) partially stabilized tetragonal zirconia (see: engineering ceramics; compare: zirconia-toughened ceramics)