calcium hydroxide

noun

1. slaked lime.

calcium hydroxide

noun

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

Word History and Origins

Origin of calcium hydroxide¹

First recorded in 1885–90