portland cement

port·land cement | \ˈpȯrt-lən(d)- \

Definition of portland cement 

: a hydraulic cement made by finely pulverizing the clinker produced by calcining to incipient fusion a mixture of clay and limestone or similar materials

Examples of portland cement in a Sentence

Recent Examples on the Web

Some estimates suggest the practice has the potential to lower emissions by as much as 40 to 80 percent compared with portland cement, White said. Chelsea Harvey, Scientific American, "Cement Producers Are Developing a Plan to Reduce CO2 Emissions," 9 July 2018 The tiles on the front facade are made from portland cement and rendered in a range of hues to give the surface a mottled look. Barbara Eldredge, Curbed, "Rad tiny cabin is covered in 4,500 3D-printed tiles," 15 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'portland cement.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of portland cement

1824, in the meaning defined above

History and Etymology for portland cement

Isle of Portland, England; from its resemblance to a limestone found there

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The first known use of portland cement was in 1824

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