from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless, highly flammable hydrocarbon, C4H6, obtained from petroleum and used in the manufacture of synthetic rubber.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An unsaturated hydrocarbon, CH2=CH-CH=CH2; it is obtained from petroleum and is used in the preparation of the synthetic rubber polybutadiene.
from the GNU version of the Collaborative International Dictionary of English
- n. a gaseous hydrocarbon C4H6; -- it is used as a monomer unit in making synthetic rubbers.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gaseous hydrocarbon C4H6; used in making synthetic rubbers
buta(ne) + di-1 + -ene.(American Heritage® Dictionary of the English Language, Fourth Edition)