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crude oil

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noun
  1. petroleum as it comes from the ground, before refining.
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Origin of crude oil

First recorded in 1860–65
Also called crude, crude petroleum.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for crude oil

Historical Examples

  • The automatic had a silencer on it, and its clicking had been drowned out, anyhow, by the roaring of the crude-oil engine.

    Astounding Stories of Super-Science January 1931

    Various


British Dictionary definitions for crude oil

crude oil

noun
  1. petroleum before it has been refined
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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

crude oil in Science

crude oil

[krōōd]
  1. Unrefined petroleum.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.