ketone


noun Chemistry.

  1. any of a class of organic compounds containing a carbonyl group, CO, attached to two alkyl groups, as CH3COCH3 or CH3COC2H5.

adjective

  1. containing the ketone group.

noun

  1. any of a class of compounds with the general formula R′COR, where R and R′ are alkyl or aryl groupsSee also acetone
n.

chemical group, 1851, from German keton, coined in 1848 by German chemist Leopold Gmelin (1788-1853) from German Aketon, from French acétone (see acetone). Its comb. form is keto-.

n.

  1. Any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals.

  1. Any of a class of organic compounds having the general formula RCOR′, where R and R′ are hydrocarbon radicals that are both attached to the carbon atom of the carbonyl (CO) group. Acetone is a ketone.

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