Hazardous or Poisonous Substance
herbicide Audio
herb·i·cide [ hur-buh-sahyd, ur- ]
Definitions related to herbicides:
  • A chemical that kills plants.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Agent used to destroy unwanted vegetation.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses (POACEAE), and woody plants. Some plants develop HERBICIDE RESISTANCE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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