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Portland cement

Or portland 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

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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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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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Read more on Los Angeles Times

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

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

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

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

Read more on Seattle Times

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