柯林斯詞典calcium hydroxide 1. N a white crystalline slightly soluble alkali with many uses, esp in cement, water softening, and the neutralization of acid soils. Formula: Ca(OH)2 氫氧化鈣 (Also called lime, slaked lime, hydrated lime, calcium hydrate, caustic lime, lime hydrate) 返回 calcium hydroxide劍橋詞典a white alkaline chemical compound used to make cement and plaster and to reduce acidity in soil 氫氧化鈣，熟石灰（白色堿性化郃物，用於制水泥，石膏或改良酸性土壤） 返回 calcium hydroxide