pesticide

/ˈpestɪsaɪd/ (bre, ipa) · /ˈpestɪsaɪd/ (ame, ipa) · /ˈpe-stə-ˌsīd/ (ame, mw)

pesticide — noun

  • pesticidesingular
  • pesticidesplural

1. a substance used in farming, gardening, or public health to kill insects, weeds,

1.名詞C1
釋義

a substance used in farming, gardening, or public health to kill insects, weeds, rats, fungi, or other living things that damage crops or spread disease

例句

Farm workers wore masks while spraying pesticide on the tomato plants.

collocation: spray pesticide on crops

After the storm, rainwater carried pesticide from the field into the river.

同義詞
  • insecticide

    narrower; used only for killing insects

  • herbicide

    narrower; used only for killing weeds or unwanted plants

  • rodenticide

    narrower and more technical; used for rats, mice, and similar animals

  • poison

    broader and less exact; often suggests greater danger in everyday speech

用法筆記

Broad cover term in farming, gardening, and public health writing; people often use more exact words such as insecticide, herbicide, or rodenticide when the target pest is clear.

常見錯誤

❌The farmer put pesticide on the soil to help the plants grow.
✅The farmer put fertilizer on the soil to help the plants grow.
💡pesticide kills pests; fertilizer feeds the plants.
❌Farmers spray many pesticide in summer.
✅Farmers spray many pesticides in summer.
💡this noun is countable when you mean different products.