from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless, flammable, liquid cycloalkane, C5H10, derived from petroleum and used as a solvent and motor fuel.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An alicyclic hydrocarbon, C5H10; a volatile inflammable liquid, sometimes used as a solvent.
from The Century Dictionary and Cyclopedia
- n. A synthetic cyclic hydrocarbon, C5H10. It is an oil which boils at 50° C. Also called pentamethylene and R-pentene.
Sorry, no etymologies found.