Portland cement

American  

Or portland cement

noun

1. a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.

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Portland cement British  

noun

1. a cement that hardens under water and is made by heating a slurry of clay and crushed chalk or limestone to clinker in a kiln

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Etymology

Origin of Portland cement

First recorded in 1815–25; named after the Isle of Portland, Dorsetshire, England

Example Sentences

The firm prints homes on site using Portland cement, which is resilient, moldable and familiar to permitting officials.

From Los Angeles Times

Cement stucco is just a mixture of fine sand, Portland cement, a dash of hydrated lime and clear water.

From Seattle Times

Most modern concrete starts with Portland cement, a powder made by heating limestone and clay to super-high temperatures and grinding them up.

From Seattle Times

He mixed three parts of fine sand to one part of Portland cement.

From Seattle Times

It’s an accurate description because regular concrete has stones, sand, Portland cement and water to activate the cement.

From Seattle Times