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)