acyl

 
Pronunciation: /ˈeɪsʌɪl, ˈasɪl/

noun

[as modifier] Chemistry
  • denoting a radical of general formula C(O)R, where R is an alkyl group, derived from a carboxylic acid: acyl groups

Origin:

late 19th century: coined in German, from Latin acidus (see acid) + -yl