(n.) The science which treats of poisons, their effects, antidotes, and recognition; also, a discourse or treatise on the science.

acaricide anthelmintic antibiotic antiseptic bug bomb carbamate insecticide chemosterilant chlorinated hydrocarbon insecticide contact poison defoliant disinfectant eradicant fumigant fungicide germicide herbicide insect powder insecticide microbicide miticide organic chlorine organic phosphate insecticide pesticide poison rat poison roach paste roach powder rodenticide stomach poison systemic systemic insecticide toxic toxicant toxin venin venom vermicide virus weed killer