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ethyl

[ eth-uhl ]
/ ˈɛθ əl /
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adjective
Chemistry. containing the ethyl group, as ethyl ether, C4H10O.
noun
a type of antiknock fluid, containing tetraethyl lead and other ingredients for a more even combustion.

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Origin of ethyl

From German Ethyl, coined by J. von Liebig in 1834; see ether, -yl

OTHER WORDS FROM ethyl

non·eth·yl, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use ethyl in a sentence

British Dictionary definitions for ethyl

ethyl
/ (ˈiːθaɪl, ˈɛθɪl) /

noun
(modifier) of, consisting of, or containing the monovalent group C 2 H 5-ethyl group or radical

Derived forms of ethyl

ethylic (ɪˈθɪlɪk), adjective

Word Origin for ethyl

C19: from eth (er) + -yl
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

Medical definitions for ethyl

ethyl
[ ĕthəl ]

n.
The univalent hydrocarbon radical C2H5.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for ethyl

ethyl
[ ĕthəl ]

The radical C2H5, derived from ethane.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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