from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. butylene
from the GNU version of the Collaborative International Dictionary of English
- n. Butylene; -- so called from the four carbon atoms in the molecule.
from The Century Dictionary and Cyclopedia
- n. Oil-gas (C4H8); a gaseous hydrocarbon of the olefine series, first obtained by the distillation of oil. See coal-gas. Also called butylene.
tetra- + ethylene, because of the four carbon atoms in the molecule. (Wiktionary)