Portland cement
or portland cement
noun
a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
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Origin of Portland cement
First recorded in 1815–25; named after the Isle of Portland, Dorsetshire, England
Words nearby Portland cement
portio supravaginalis, portio vaginalis, Port Jackson, Port Jackson willow, Portland, Portland cement, Portlaoise, Port Lavaca, Port Louis, portly, Port Lyautey
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for Portland cement
Portland cement
noun
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
Word Origin for Portland cement
C19: named after the Isle of Portland, because its colour resembles that of the stone quarried there
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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