石膏
近义词与同义词
按词义分组列出,使用时请结合具体语境。
a plaster now made mostly from Portland cement and sand and lime; applied while soft to cover exterior walls or surfaces
a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
基本解释
硬度很小的含水硫酸盐矿物。化学成分为caso4·2h2o。结晶体呈厚板状或柱状,纯者为无色透明或白色,也有灰、浅黄、浅褐等色。主要在湖和盐湖盆地中沉积而成。煅烧后得烧石膏,常用于塑造模型或作胶结材料。还用于医药、农业、制漆等方面。