生石膏 Traditional form: 生石膏 Pinyin (reading): shēngshígāo Definitions: gypsum CaSO4·2(H2O) plaster Characters: 生 - life, lifetime; birth; growth 石 - stone, rock, mineral 膏 - grease, fat; ointment, paste Traditional characters: 生 - life, lifetime; birth; growth 石 - stone, rock, mineral 膏 - grease, fat; ointment, paste