water gas


Definition of water gas

: a poisonous flammable gaseous mixture that consists chiefly of carbon monoxide and hydrogen with small amounts of methane, carbon dioxide, and nitrogen, is usually made by blowing air and then steam over red-hot coke or coal, and is used as a fuel or after carbureting as an illuminant

Examples of water gas in a Sentence

Recent Examples on the Web Romania has shallow-water gas projects, but a major deep-water find by eight years ago has still to be exploited. Selcan Hacaoglu, Fortune, "Erdogan hails Turkey’s biggest ever energy discovery. The markets are unimpressed," 21 Aug. 2020 The reaction at play here is called reverse water gas shift, and it’s used in this context to turn carbon dioxide separated from regular seawater into carbon monoxide that can be synthesized into hydrocarbons. Caroline Delbert, Popular Mechanics, "How Ships Could Produce an Unlimited Amount of Their Own Fuel," 17 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water gas.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of water gas

1833, in the meaning defined above

Keep scrolling for more

Learn More about water gas

Time Traveler for water gas

Time Traveler

The first known use of water gas was in 1833

See more words from the same year

Statistics for water gas

Cite this Entry

“Water gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20gas. Accessed 3 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

More from Merriam-Webster on water gas

Britannica.com: Encyclopedia article about water gas

Comments on water gas

What made you want to look up water gas? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!