ethyl

[ eth-uh l ]

/ ˈɛθ əl /

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.

Nearby words

ethosuximide, ethoxide, ethoxy, ethoxyethane, ethrog, ethyl, ethyl acetate, ethyl alcohol, ethyl aminobenzoate, ethyl butyrate, ethyl caproate

Origin of ethyl

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

Related forms

non·eth·yl, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ethyl

Acetate of oxide of ethyl, Acetic ether, Pyroligneous ether; ther aceticus, L.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Nitrite of ethyl is best made by passing nitrous acid gas into alcohol.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Pineapple is ethyl butyrate—but the acid part of it (butyric acid) is what gives Limburger cheese its aroma.
Creative Chemistry|Edwin E. Slosson
Several substances are known under the name of ethers besides the true ethers or salts of ethyl, and are given below.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

Iodum-Miller is a heavy, dark liquid having an odor characteristic of ether (ethyl oxid).
The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2|Various

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

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

Medicine definitions for ethyl

ethyl

[ ĕth′əl ]

n.

The univalent hydrocarbon radical C2H5.

Science definitions for ethyl

ethyl

[ ĕth′əl ]

The radical C2H5, derived from ethane.