Portland cement

Portland cement

noun
a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
Also, portland cement.


Origin:
1815–25; named after the Isle of Portland, Dorsetshire, England
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Portland cement is always a great word to know.
So is flibbertigibbet. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a chattering or flighty, light-headed person.
Collins
World English Dictionary
Portland cement
 
n
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
 
[C19: named after the Isle of Portland, because its colour resembles that of the stone quarried there]

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