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crude oil

petroleum as it comes from the ground, before refining.
Also called crude, crude petroleum.
Origin of crude oil
First recorded in 1860-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for crude oil
Contemporary Examples
Historical Examples
  • It had required Sam's reference to gas and crude oil to close the circuit.

    The Fortune Hunter Louis Joseph Vance
  • Is this patent of yours on a process of making gas from crude oil?

    The Fortune Hunter Louis Joseph Vance
  • A drill-boring was made, and I was shown a sample of the crude oil.

    The Philippine Islands John Foreman
  • Since 1859 it has produced more than forty million gallons of crude oil.

    Commercial Geography

    Jacques W. Redway
  • He believed it might be duplicated from crude oil, properly refined.

British Dictionary definitions for crude oil

crude oil

petroleum before it has been refined
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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crude oil in Science
crude oil
Unrefined petroleum.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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