from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A nonpersistent organophosphorous pesticide, C4H7O4Cl2P, of low toxicity to humans.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A highly volatile organophosphate, 2,2-dichlorovinyl dimethyl phosphate (DDVP), widely used as a fumigant to control household pests and to protect stored product from insects.
di-1 + chlor(o)- + v(inyl) + (ph)os(phate).(American Heritage® Dictionary of the English Language, Fourth Edition)