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Portland cement

or portland cement

noun

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


Portland cement

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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Word History and Origins

Origin of Portland cement1

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

Origin of Portland cement1

C19: named after the Isle of Portland , because its colour resembles that of the stone quarried there

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PortlandPortlaoise