ketone

• POS: Noun
• HYPHEN: ke=tone

CIDE DICTIONARY

ketone, n. [Cf. Acetone.].

 One of a large class of organic substances resembling the aldehydes, obtained by the distillation of certain salts of organic acids and consisting of carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor.  [1913 Webster]
" The ketones are named by adding the suffix-one to the stems of the organic acids from which they are respectively derived; thus, acetic acid gives acetone; butyric acid, butyrone, etc."  [1913 Webster]

OXFORD DICTIONARY

ketone, n. any of a class of organic compounds in which two hydrocarbon groups are linked by a carbonyl group, e.g. propanone (acetone).

Idiom

ketone body Biochem. any of several ketones produced in the body during the metabolism of fats.

Derivative

ketonic adj.

Etymology

G Keton alt. of Aketon ACETONE