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-oyl

British  

suffix

  1. (in chemistry) indicating an acyl group or radical

    ethanoyl

    methanoyl

"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

Etymology

Origin of -oyl

C20: from o ( xygen ) + -yl