calcium hydroxide

noun
1.
slaked lime.
Also called calcium hydrate.
Origin
1885-90
British Dictionary definitions for calcium hydroxide

calcium hydroxide

noun
1.
a white crystalline slightly soluble alkali with many uses, esp in cement, water softening, and the neutralization of acid soils. Formula: Ca(OH)2 Also called lime, slaked lime, hydrated lime, calcium hydrate, caustic lime, lime hydrate