calcium hydroxide

noun

1. slaked lime.

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 calledlimeslaked limehydrated limecalcium hydratecaustic limelime hydrate

Word History and Origins

Origin of calcium hydroxide¹

First recorded in 1885–90

Example Sentences

The added calcium hydroxide, or lime, raises the water’s pH and enables it to sequester more CO2 in the form of calcium bicarbonate or as carbonate deposited in the shells of sea creatures.

From Science Magazine

His creation allows air to pass through a warehouse filled with calcium hydroxide.

From Washington Post

That is then treated with a slurry of calcium hydroxide to change it into solid form; the slurry helps form tiny pellets of calcium carbonate.

From BBC

Each corn varietal has to be investigated to find the correct amount of calcium hydroxide and appropriate cooking times.

From New York Times

The resulting solution of potassium carbonate is filtered and exposed to a slurry of calcium hydroxide.

From Economist