Dictionary.com
Thesaurus.com
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:

—Brent crude oil contracts for September fell 5.8% to $91.16 a barrel, while WTI dropped 5.4% to $84.45.

From The Wall Street Journal Jul. 27, 2026

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

From MarketWatch Jul. 26, 2026

U.S. stock futures steadied in early European trade as Brent crude oil fell back below $100 a barrel.

From The Wall Street Journal Jul. 24, 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

A gasket blows five thousand feet underwater beneath an oil rig off the coast of Louisiana, sending millions of barrels of crude oil gushing into the Gulf of Mexico.

From "Becoming" by Michelle Obama

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training