from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A pale yellow, highly toxic systemic insecticide, C8H19O2PS3, used for some vegetables and flowers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A highly toxic organothiophosphate insecticide and acaricide, O,O-diethyl S-2-ethylthioethyl phosphorodithioate
di-1 + sulfo- + (deme)ton.(American Heritage® Dictionary of the English Language, Fourth Edition)