[am-il, ey-mil]Chemistry


containing an amyl group; pentyl.


Origin of amyl

1840–50; < Greek ám(ylon) starch (see amylo-) + -yl, with haplology of am(yl)-yl


variant of amylo-, especially before a vowel. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for amyl



(modifier, no longer in technical usage) of, consisting of, or containing any of eight isomeric forms of the monovalent group C 5 H 11 -amyl group or radical See also pentyl

Word Origin for amyl

C19: from Latin: amylum
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

Word Origin and History for amyl

hydrocarbon radical, 1850, from Latin amylum, from Greek amylon "fine meal, starch," noun use of neuter of adjective amylos "not ground at the mill, ground by hand," from a-, privative prefix, "not" + myle "mill" (see mill (n.1)). So called because first obtained from the distilled spirits of potato or grain starch (though it also is obtained from other sources).

Online Etymology Dictionary, © 2010 Douglas Harper

amyl in Medicine




The univalent organic radical, C5H11, occurring in many organic compounds in eight isomeric forms.pentyl
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

amyl in Science



The radical C5H11, derived from pentane. Amyl occurs in eight isomeric forms. Also called pentyl
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.