ethanol

noun

eth·​a·​nol ˈe-thə-ˌnȯl How to pronounce ethanol (audio) -ˌnōl How to pronounce ethanol (audio)
 British also  ˈē-
: a colorless volatile flammable liquid C2H5OH that is the intoxicating agent in liquors and is also used as a solvent and in fuel

called also ethyl alcohol, grain alcohol

Examples of ethanol in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Corn and soybeans are now grown on 92 and 86 million acres of land respectively—and roughly a third of those crops go to produce ethanol. ArsTechnica, 14 June 2025 Each increase of 10 grams of ethanol per day in alcohol consumption was associated with a 3% increase in the risk of pancreatic cancer, the study found. Ashley J. Dimella, FOXNews.com, 11 June 2025 Commerce Secretary Howard Lutnick said that the trade deal will maintain the universal 10% tariff but will open U.K. markets to roughly $5 billion worth of U.S. exports, including beef, ethanol, and machinery. Shannon Carroll, Quartz, 8 May 2025 The biofuels industry and politicians in both major parties argue that ethanol helps farmers, lowers prices at the pump and reduces greenhouse gas because the fuel burns more cleanly than straight gasoline. John Hanna, Chicago Tribune, 29 Apr. 2025 See All Example Sentences for ethanol

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of ethanol was in 1892

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Cite this Entry

“Ethanol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethanol. Accessed 5 Jul. 2025.

Kids Definition

ethanol

noun
eth·​a·​nol ˈeth-ə-ˌnȯl How to pronounce ethanol (audio)
-ˌnōl
: a colorless flammable easily evaporated liquid that is used to dissolve things and that is the substance in fermented and distilled liquors that can make one drunk

called also ethyl alcohol, grain alcohol

Medical Definition

ethanol

noun
eth·​a·​nol ˈeth-ə-ˌnȯl How to pronounce ethanol (audio) -ˌnōl How to pronounce ethanol (audio)
: a colorless volatile flammable liquid C2H5OH that is the intoxicating agent in liquors and is also used as a solvent

called also ethyl alcohol, grain alcohol

see alcohol sense 1

More from Merriam-Webster on ethanol

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