acyl group acyl group /ˈeɪsɪl ɡruːp/

noun

1. Any group or radical of the form RCO- where R is an organic group  ( acyl , acyl group )
   any group or radical of the form RCO- where R is an organic group
    An example of the acyl group is the acetyl group
   an example of the acyl group is the acetyl group