ethene

American

[eth-een] / ˈɛθ in /

noun

Chemistry.

ethylene.

ethene British

/ ˈɛθiːn /

noun

the technical name for ethylene

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ethene Scientific

/ ĕth′ēn′ /

See ethylene

Etymology

Origin of ethene

First recorded in 1870–75; eth(yl) + -ene

Example Sentences

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ethene

These reactions include splitting dihydrogen and enabling the step-by-step insertion and chain growth of ethene, a simple 2-carbon hydrocarbon.

From Science Daily ● May 1, 2026

The hydrocarbons ethane, ethene, and ethyne serve as examples of how different carbon-to-carbon bonds affect the geometry of the molecule.

From Textbooks ● Jun. 9, 2022

Double bonds, like those found in ethene cannot rotate, so the atoms on either side are locked in place.

From Textbooks ● Jun. 9, 2022

The planar configuration for the ethene molecule occurs because it is the most stable bonding arrangement.

From Textbooks ● Feb. 14, 2019

In an ethene molecule, the four hydrogen atoms and the two carbon atoms are all in the same plane.

From Textbooks ● Feb. 14, 2019

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023