ethyl definition | Dictionary.com

eth⋅yl

[eth-uh

–adjective

1.	Chemistry. containing the ethyl group, as ethyl ether, C₄H₁₀O.

–noun

2.	a type of antiknock fluid, containing tetraethyl lead and other ingredients for a more even combustion.

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

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To ethyl

eth·yl (ěth'əl)

n. A univalent organic radical, C₂H₅.

[eth(er) + -yl.]
eth·yl'ic (ě-thĭl'ĭk) adj.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Ethyl

Eth"yl\, n. [Ether + -yl.] (Chem.) A monatomic, hydrocarbon radical, C2H5 of the paraffin series, forming the essential radical of ethane, and of common alcohol and ether.

Ethyl aldehyde. (Chem.) See Aldehyde.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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ethyl

1838, modeled on Ger. äthyl, from Gk. aither (see ether) + hyle "stuff." Ethylene is from 1852; ethane first recorded 1873.

Online Etymology Dictionary, © 2001 Douglas Harper
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Main Entry: eth·yl
Pronunciation: 'eth-&l, Brit also 'E-"thIl
Function: noun
: a monovalent hydrocarbon radical C₂H₅ —eth·yl·ic /e-'thil-ik/ adjective

Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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ethyl eth·yl (ěth'əl)
n.
The univalent hydrocarbon radical C₂H₅.

ethyl (ěth'əl) Pronunciation Key
The radical C₂H₅, derived from ethane.

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