Definitions

from The Century Dictionary.

  • noun One of a class of organic compounds the molecules of which contain two carbonyl radicals, neither of which is linked to hydrogen or hydroxyl.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry any compound having two neighbouring ketonic carbonyl groups

Etymologies

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Examples

  • Note 2: This bicyclic diketone is commercially available [Aldrich 5g/$400].

    Org Prep Daily milkshake 2009

  • (diphenylene diketone) in alcoholic solution, and also iso-valeric aldehyde and its derivatives, amyliden-dimethyl and amyliden-diethyl ethers.

    Nitro-Explosives: A Practical Treatise

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