List of types of poison explained

The following is a list of types of poison by intended use:

• Biocide  - a chemical substance capable of killing living organisms, usually in a selective way
  • Fungicide  - a chemical compound or biological organism used to kill or inhibit fungi or fungal spores
  • Microbicide  - any compound or substance whose purpose is to reduce the infectivity of microbes
    • Germicide  - a disinfectant
      • Bactericide  - a substance that kills bacteria
      • Viricide  - a chemical agent which "kills" viruses outside the body
  • Herbicide  - a substance used to kill unwanted plants
  • Parasiticide  - any substance used to kill parasites
  • Pesticide  - a substance or mixture of substances used to kill a pest
    • Acaricide  - pesticides that kill mites
    • Insecticide  - a pesticide used against insects
    • Molluscicide  - pesticides against molluscs
    • Nematocide  - a type of chemical pesticide used to kill parasitic nematodes (roundworms)
    • Rodenticide  - a category of pest control chemicals intended to kill rodents
• Spermicide  - a substance that kills sperm