Definitions Found:
hard, opaque, vitrified ceramic ware
- stonewarehard, opaque, vitrified ceramic ware
- earthenwareceramic ware made of slightly porous opaque clay fired at low heat
- earthenwaresEARTHENWARE, ceramic ware made of slightly porous opaque clay fired at low heat
- porcelaina hard, fine-grained, sonorous, nonporous, and usually translucent and white ceramic ware that consists essentially of kaolin, quartz, and a feldspathic rock and is fired at a high temperature called also hard-paste porcelain true porcelain