from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A crude oil that is obtained from oil shale by heating and distillation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a crude oil, containing hydrocarbons, obtained by the distillation of oil shale
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. oil extracted from oil shale by heating
Sorry, no etymologies found.