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Synonyms

crude oil

American  

noun

  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.


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.

According to the researchers, fire whirls can burn crude oil nearly twice as fast as traditional in situ fire pools.

From Science Daily • Jun. 5, 2026

The investigation published last week showed that global advisory firm Mercer has invested on Tuvalu's behalf in funds exposed to coal mining, gas exploration and the world's largest crude oil refinery.

From Barron's • Jun. 5, 2026

U.S. crude oil inventories extended their decline, falling by 8 million barrels, as exports rose and refineries ran near full capacity.

From The Wall Street Journal • Jun. 5, 2026

Refiners have the ability to optimize their product slate, even with constraints around crude oil, Salazar said.

From MarketWatch • Jun. 4, 2026

This time I've sprayed my white-blond strands a deep black, as if I'd dipped them in crude oil.

From "Legend" by Marie Lu

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