石膏 せっこう Also written 石こう Meanings Noun, の-adjective plaster; gypsum; calcium sulphate (sulfate) Kanji 石 stone. Read as セキ. 膏 fat; grease; lard. Read as コウ. Words containing 石膏 焼石膏 (しょうせっこう) calcined gypsum 石膏像 (せっこうぞう) plaster figure 雪花石膏 (せっかせっこう) alabaster And 1 more. Jinuma: Japanese Dictionary · Word lists