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alkyl

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al⋅kyl

[al-kuhl] Chemistry
–adjective
1. containing an alkyl group.
–noun
2. an alkyl group.

Origin:
1880–85; < G, equiv. to Alk(ohol) alcohol + -yl -yl
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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al·kyl   (āl'kəl)   
n.  A monovalent radical, such as ethyl or propyl, having the general formula CnH2n+1.

[German Alkohol, alcohol (from Medieval Latin alcohol, antimony; see alcohol) + -yl.]
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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Medical Dictionary

Main Entry: 1al·kyl
Pronunciation: 'al-k&l
Function: adjective
: of, relating to, or being an alkyl <alkyl mercurials attackthe brain cells —L. J. Goldwater>

Main Entry: 2alkyl
Function: noun
1 : a monovalent aliphatic radical CnH2n+1 (as methyl);broadly : a monovalent aliphatic, aromatic-aliphatic, or alicyclic hydrocarbon radical
2 : a compound of one or more alkyl groups with a metal
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

alkyl al·kyl (āl'kəl)
n.
A monovalent radical, such as ethyl or propyl, having the general formula CnH2n+1.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
alkyl   (āl'kəl)  Pronunciation Key 
A radical that has the general formula CnH2n+1, formed by removing a hydrogen atom from an alkane. Ethyl and propyl are alkyls.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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