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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A flammable, potentially explosive, colorless liquid, C4H8O2, used as a solvent for fats, greases, and resins and in various products including paints, lacquers, glues, cosmetics, and fumigants.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a class of six-membered, saturated heterocycles having four carbon atoms and two oxygen atoms in the ring.


di-1 + ox(o)- + -ane.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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