herbicide

/ˈhɜːbɪsaɪd/ (bre, ipa) · /ˈɜːrbɪsaɪd/ (ame, ipa) · /ˈ(h)ər-bə-ˌsīd/ (ame, mw)

herbicide — 名詞

  • herbicidesingular
  • herbicidesplural

1. a chemical substance applied by farmers or gardeners to kill weeds and other wil

1.名詞B2
釋義

除草劑

殺死雜草的化學藥劑

a chemical substance applied by farmers or gardeners to kill weeds and other wild plants that harm the growth of crops

例句

Élise applied herbicide to her vegetable patch to keep the weeds from spreading.

Élise 在她的菜園裡噴灑了除草劑，以防止雜草蔓延。

collocation: apply herbicide

Before planting corn, the farmers sprayed herbicide over the entire field.

農夫在種玉米之前，先在整片田地噴灑了除草劑。

同義詞
  • weedkiller

    less formal, everyday term common in gardening contexts; herbicide is the technical or formal equivalent

  • defoliant

    narrower: a chemical that causes leaves to fall off, not necessarily killing the whole plant

用法筆記

Can be used as uncountable (e.g. 'the field was treated with herbicide') or countable (e.g. 'different herbicides control different weeds'). Like other -cide words (pesticide, insecticide), it is formed from Latin herba ('plant') + -cide ('killer').

常見錯誤

❌The farmer sprayed herbicide to kill the insects.
✅The farmer sprayed insecticide to kill the insects.
💡Herbicide kills plants, not insects or other animals.