Search Result for "r-co-": 
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1 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Acyl \Ac"yl\, n. [Acid + -yl.] (Org. Chem.) An acid radical, as acetyl, malonyl, or benzoyl. An acyl radical can be depicted as R-CO-, where -CO- is the carbonyl group, and R is the group that characterizes the acyl moiety. [Webster 1913 Suppl. +PJC]