from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline compound, Cl3CCH(C6H4OCH3)2, used as an insecticide.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A synthetic organochlorine used as an insecticide.
meth- + oxy- + (tri)chlor(oethane), a chemical compound used in pesticides.(American Heritage® Dictionary of the English Language, Fourth Edition)