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oil sand

noun, Geology
1.
a sand or sandstone containing oil or tarry residue in the pore spaces.
Origin
1880-1885
1880-85, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for oil sand

oil sand

noun
1.
a sandstone impregnated with hydrocarbons, esp such deposits in Alberta, Canada
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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oil sand in Science
oil sand  
A stratum of sand or sandstone containing petroleum that can be extracted by way of wells. The term is also applied to limestone and dolomite strata that contain petroleum.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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