from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Two acetyl groups in a compound
- n. butanedione
from The Century Dictionary and Cyclopedia
- n. A yellow compound, CH3COCOCH3, the simplest member of the class of aliphatic 1, 2-diketones, prepared from isonitroso methyl-ethyl ketone. It boils at 88° C., has a pungent, sweet odor, and its vapor has the color of chlorin.
Sorry, no etymologies found.