trichlorfon

/traɪˈklɔːrfɑn/
noun
  1. A chemical compound used as an insecticide and a veterinary medicine to kill parasites.
    • Trichlorfon is banned in some countries because of its potential harm to the environment.
    • Farmers sometimes use trichlorfon to protect crops from pests.
    • The veterinarian applied trichlorfon to treat the horse's skin parasites.