noun Chemistry.

a compound containing two C=O groups, as CH3COCOCH3.

Origin of diketone

First recorded in 1895–1900; di-1 + ketone
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diketone in Medicine




A compound containing two carbonyl groups.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.