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.
Keep them away from any fruits and vegetables that naturally emit ethylene, a gas that speeds up ripening of anything in their orbit. Karla Walsh, Southern Living, 22 Nov. 2024 Under the bombardment of sunlight, methane ice transforms to reactive gaseous particles that eventually fuse into larger aerosol molecules such as acetylene, ethylene and ethane. Shi En Kim, Smithsonian Magazine, 22 Oct. 2024 Conventional electrolytes, typically based on carbonate solvents like ethylene carbonate and dimethyl carbonate, have several drawbacks. Matthew Dawson, Forbes, 26 Nov. 2024 Alliums are ethylene producers and can cause other fresh foods to spoil faster. Karla Walsh, Southern Living, 22 Nov. 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 18 Jan. 2025.

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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