焼しょう石せっ膏こう

noun

calcined gypsum; plaster of Paris

Technical term for gypsum that has been heated to remove water, used in making plaster casts, molds, and construction materials.

• 焼しょう石せっ膏こうは水みずを加くわえると固かたまる性せい質しつがある。

  Calcined gypsum has the property of hardening when water is added.

• 骨こっ折せつの治ち療りょうには焼しょう石せっ膏こうのギプスが使つかわれることがある。

  Plaster of Paris casts are sometimes used in the treatment of fractures.