Definitions

1. noun

A keto acid, especially one that is a byproduct of the metabolism of fatty acids or a product of the fermentation of certain bacteria.

“The acetoacetate produced during the fermentation process was used to synthesize other compounds.”

2. chemistry

A ketone with the chemical formula CH₃COCCH₃, occurring in the urine in diabetes mellitus.

“The acetoacetate in the urine was a diagnostic indicator for diabetes mellitus.”