-one

-one. Etym: [From Gr. -w`nh, signifying, female descendant.] (Chem.) Defn: A suffix indicating that the substance, in the name of which it appears, is a ketone; as, acetone. -one.(Chem.) Defn: A termination indicating that the hydrocarbon to the name of which it is affixed belongs to the fourth series of hydrocarbons, or the third series of unsaturated hydrocarbonsl as, nonone.

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