"Biscuit porcelain, bisque porcelain or bisque is unglazed, white porcelain treated as a final product, with a matte appearance and texture to the touch. It has been widely used in European pottery, mainly for sculptural and decorative objects that are not tableware and so do not need a glaze for protection.
The term "biscuit" refers to any type of fired but unglazed pottery in the course of manufacture, but only in porcelain is it a term for a final product. Unglazed earthenware as a final product is often called terracotta, and in stoneware equivalent unglazed wares (such as jasperware) are often called "dry-bodied". Many types of pottery, including most porcelain wares, have a glaze applied, either before a single firing, or at the biscuit stage, with a further firing." - (en.wikipedia.org 21.09.2019)
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