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-oyl

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suffix
(in chemistry) indicating an acyl group or radicalethanoyl; methanoyl
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Word Origin for -oyl

C20: from o (xygen) + -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

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Medical definitions for -oyl

-oyl

suff.
An organic acid radical:fumaroyl.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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