Spot Treatment: Application to a small area.

Stomach Poisons: These must be swallowed to kill an insect, bird, or rodent.

Surfactant: A chemical that increases the emulsifying, dispersing, spreading and wetting properties of a pesticide product.

Suspension: Finely divided solid particles mixed in a liquid.

Synergists: Materials that, if used alone, have little toxicity to insects but combined with another active ingredient enhance the activity of an insecticide.

Target Pest: The pest at which a particular pesticide or other control method is directed.

Volatile: Evaporates at ordinary temperatures when exposed