Porzellan porcelain (material) porcelaine porcelan porcelana porcelana porcellana porselein (materiaal) porslin πορσελάνη חרסינה A material comprising white clay, or kaolin, and a feldspathic rock, that react when fired so the clay serves to hold the shape of the object and the rock fuses into a natural glass. In China, it includes any such ware that is highly fired enough to produce a ringing sound when struck. In Europe, it is limited to hard-fired ceramic that is translucent (AAT).