ethylenic

adjective

eth·​yl·​e·​nic ¦ethə¦lēnik How to pronounce ethylenic (audio)
: relating to or derived from ethylene : resembling ethylene especially in having a double bond : ethenoid
ethylenically
-nə̇k(ə)lē
adverb

Word History

Etymology

International Scientific Vocabulary ethylene + -ic

First Known Use

1858, in the meaning defined above

Time Traveler
The first known use of ethylenic was in 1858

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Cite this Entry

“Ethylenic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethylenic. Accessed 18 Dec. 2025.

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