The definition of hexone is methyl isobutyl ketone, a colorless liquid chemical compound used a solvent.
An example of a hexone is a solvent for lacquer.
methyl isobutyl ketone, a colorless liquid, (CH)CHCHCOCH, used as a solvent for paints, gums, and resins, in organic synthesis, etc.
Origin of hexonehex(a)- + -one
designating a group of organic bases containing six carbon atoms in each molecule, formed by the hydrolysis of proteins
hex- + -one