ethylene

noun

eth·​yl·​ene ˈe-thə-ˌlēn How to pronounce ethylene (audio)
1
: a colorless flammable gaseous unsaturated hydrocarbon C2H4 that is found in coal gas, can be produced by pyrolysis of petroleum hydrocarbons, and occurs in plants functioning especially as a natural growth regulator that promotes the ripening of fruit
2
: a divalent hydrocarbon group C2H4 derived from ethane
ethylenic adjective

Examples of ethylene 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.
The remaining 10% is byproducts, largely ethylene and hydrogen. Tom Hawking, Popular Science, 23 Oct. 2024 This root is related to the substance ethylene, a compound found in plants that was initially discovered through its relation to alcohol (which is derived from wine). Erik Kain, Forbes, 3 Nov. 2024 Fruit and vegetables are usually stored separately in root cellars to slow down the spread of ethylene gas and keep vegetables from spoiling. Lauren Landers, Better Homes & Gardens, 26 Oct. 2024 Polyolefins are produced by combining small chain links, or monomers, of ethylene or propylene, which are typically obtained from oil and natural gas. Tribune News Service, The Mercury News, 14 Sep. 2024 See all Example Sentences for ethylene 

Word History

First Known Use

1849, in the meaning defined at sense 1

Time Traveler
The first known use of ethylene was in 1849

Dictionary Entries Near ethylene

Cite this Entry

“Ethylene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethylene. Accessed 3 Dec. 2024.

Kids Definition

ethylene

noun
eth·​yl·​ene ˈeth-ə-ˌlēn How to pronounce ethylene (audio)
: a colorless flammable gas found in coal gas or obtained from petroleum and used to ripen fruits or as an anesthetic

Medical Definition

ethylene

noun
eth·​yl·​ene ˈeth-ə-ˌlēn How to pronounce ethylene (audio)
1
: a colorless flammable gaseous unsaturated hydrocarbon C2H4 that is found in coal gas, can be produced by pyrolysis of petroleum hydrocarbons, is used in medicine as a general inhalation anesthetic, and occurs in plants functioning especially as a natural growth regulator that promotes the ripening of fruit

called also ethene

2
: a divalent hydrocarbon group C2H4 derived from ethane
ethylenic adjective

More from Merriam-Webster on ethylene

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