煅烧 duànshāo to calcine; to roast Origin Definitions Defs Strokes Stroke Words Sentences Sents 煅 duàn to calcine to heat a substance, such as gypsum or medicine, to a high temperature without melting it; also used specifically in Chinese medicine to prepare ingredients by burning them in a fire烧 燒 shāo verb to burn to burn; to set on fire; to ignite