weedkiller

/ˈwiːdkɪlə(r)/ (bre, ipa) · /ˈwiːdkɪlər/ (ame, ipa)

weedkiller — noun

  • weedkillersingular
  • weedkillersplural

1. a chemical substance that is sprayed or spread on unwanted plants to destroy the

1.名詞B1
釋義

a chemical substance that is sprayed or spread on unwanted plants to destroy them, so that crops, garden flowers, or grass can grow better without competition for water and nutrients.

例句

Wei sprayed weedkiller on the dandelions growing between the paving stones behind the garage.

collocation: spray weedkiller on [something]

The farmers applied a weedkiller to the fields two weeks before planting rice seedlings.

collocation: apply weedkiller to [fields/crops]

同義詞
  • herbicide

    the formal, scientific term; used on product labels and in agricultural studies

  • weedicide

    less common synonym, mostly used in Indian English

用法筆記

The scientific or technical term for weedkiller is herbicide, which is more common in academic writing, official product labels, and agricultural research. Weedkiller is the everyday word used by gardeners and homeowners.

常見錯誤

❌I need to buy a weedkiller to kill the grass in my lawn.
✅I need to buy a weedkiller to kill the weeds in my lawn.
💡'Weedkiller' is meant for unwanted plants (weeds), not for grass that you want to keep.