from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless, odorless, viscous liquid, C10H6Cl8, used as an insecticide. It may be toxic to humans and wildlife as a result of its effect on the nervous system.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A very toxic chlorinated polycyclic hydrocarbon once used as an insecticide.
chlor(o)- + (in)d(ene) + -ane.(American Heritage® Dictionary of the English Language, Fourth Edition)