organic compound: an organic compound containing a carbon atom connected to an oxygen atom by a double bond and to two carbon atoms. The simplest ketone is acetone, an important industrial solvent.
adjective
Definition:
of chemical group: relating to the chemical group comprising a carbon atom connected to an oxygen atom by a double bond and to two carbon atoms
[Mid-19th century. < German Keton, alteration of Aketon "acetone"]
