from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A type of coal with a high percentage of volatile matter that burns with a smoky yellow flame. Also called soft coal.
from the GNU version of the Collaborative International Dictionary of English
- adj. a kind of coal which yields, when heated, a considerable amount of volatile bituminous matter. It burns with a yellow smoky flame.
- n. See under Bituminous.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. rich in tarry hydrocarbons; burns readily with a smoky yellow flame
Sorry, no etymologies found.