This category brings together articles about ceramics — a form of decorative and applied art and industrial production based on the processing of fired clay. It gathers material on the technologies, terminology, and properties of ceramic ware: from Engobe and Barbotine to porcelain characteristics such as Whiteness and Biscuit (Bisque). In the encyclopedia, the topic is developed above all through its connection to the artistic traditions of Nizhny Novgorod and the surrounding region.