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Synonyms

natural gas

American  

noun

  1. a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, especially those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and, sometimes, helium: used as a fuel and to make carbon black, acetylene, and synthesis gas.

natural gas British  

noun

  1. a gaseous mixture consisting mainly of methane trapped below ground; used extensively as a fuel

"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
natural gas Scientific  
/ năch′ər-əl /

  1. A mixture of hydrocarbon gases that occurs naturally beneath the Earth's surface, often with or near petroleum deposits. Natural gas contains mostly of methane but also has varying amounts of ethane, propane, butane, and nitrogen. It is used as a fuel and in making organic compounds.

Etymology

Origin of natural gas

First recorded in 1815–25

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.

The image evoked dominance at sea, as Iran's armed forces continue a blockade of the strategic Strait of Hormuz, a conduit for a fifth of the world's oil and liquefied natural gas in peacetime.

From Barron's • Apr. 22, 2026

On Wednesday, Europe’s largest potash supplier raised its forecast for the year as prices for fertilizers have continued to climb as a reduction in liquefied natural gas exports curbed their production.

From MarketWatch • Apr. 22, 2026

U.S. natural gas futures ended a rangebound week with minor gains as the market focused on mild spring weather and solid LNG demand, while remaining largely disconnected from events in the Middle East.

From The Wall Street Journal • Apr. 21, 2026

Petrol prices are up by more than 14 percent at the pump, and last week authorities ordered widespread rolling blackouts to save precious natural gas.

From Barron's • Apr. 21, 2026

We cook cleanly and efficiently with natural gas, but we are running short of it.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.