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Synonyms

crude oil

American  

noun

crude oils plural
  1. petroleum as it comes from the ground, before refining.


crude oil British  

noun

  1. 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

crude oil Scientific  
/ kro̅o̅d /
  1. Unrefined petroleum.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of crude oil

First recorded in 1860–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

U.S. crude oil inventories posted a bigger-than-expected drop last week as imports declined, exports rose and refineries took in more oil, according to data released Wednesday by the U.S.

From The Wall Street Journal Jul. 29, 2026

There’s also the breakout in WTI crude oil futures above the 50-day moving average.

From MarketWatch Jul. 26, 2026

Find insight on crude oil prices, Beach Energy, Mercury NZ and more in the latest Market Talks covering Energy and Utilities.

From The Wall Street Journal Jul. 24, 2026

That helps limit further crude oil prices rises, it argued.

From Barron's Jul. 23, 2026

The U.S. customs office was kept busy inspecting oil tankers from the Middle East which supplied crude oil to the refinery at Hess Oil.

From "Hole in My Life" by Jack Gantos

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