weed killer

Noun
  1. A chemical agent that destroys plants or inhibits their growth (synset 114931001)
    is a type of: chemical, chemical substance - material produced by or used in a reaction involving changes in atoms or molecules
    subtypes:
    • agent orange - a herbicide used in the Vietnam War to defoliate forest areas
    • atrazine - a synthetic compound derived from triazine that is widely used as an agricultural herbicide
    • linuron - a herbicide that kills weeds without harming vegetables
    • paraquat - a poisonous yellow solid used in solution as a herbicide
    • silvex - a herbicide that is effective in controlling woody plants but is toxic to animals
    • simazine - a herbicide used to control weeds (especially among crops)
    substance holonym: arsenic, as, atomic number 33 - a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
    same as: herbicide, weedkiller

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