Ceramic clay is a type of clay that is commonly used in pottery and sculpting. However, there are several synonyms that are also used to refer to this type of clay. For example, some people refer to it as earthenware clay or terracotta clay. These terms are often used interchangeably, though terracotta clay is typically a reddish-brown color due to the iron oxide content in the clay. Other synonyms for ceramic clay include stoneware clay and porcelain clay. These clays are often differentiated by their firing temperature and the resulting characteristics of the finished product. Overall, there are several ways to refer to ceramic clay depending on the context and specific type of clay being used.