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oil sand

noun, Geology.
a sand or sandstone containing oil or tarry residue in the pore spaces.
Origin of oil sand
An Americanism dating back to 1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for oil sands

oil sand

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 sands 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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oil sands in Culture

oil sands definition

Surface deposits of tarry sand that contain large quantities of petroleum.

Note: The major deposits of oil sands in North America are in the western United States and northern Canada.
Note: Extracting the oil from these sands is difficult and expensive.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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