contaminated

/kənˈtæm.ɪ.neɪ.tɪd/ (bre, ipa) · /kənˈtæm.ə.neɪ.t̬ɪd/ (ame, ipa) · /kən-ˈta-mə-ˌnā-təd/ (ame, mw)

contaminated — adjective

  • contaminatedpositive
  • more contaminatedcomparative
  • most contaminatedsuperlative

1. made dirty, unsafe, or no longer pure because harmful material has got into it

1.形容詞B2
釋義

made dirty, unsafe, or no longer pure because harmful material has got into it

例句

The well was contaminated by flood water after last night's storm.

passive: be contaminated by

Mira threw away the contaminated salad before the guests arrived for lunch.

contaminated + food noun

同義詞
  • polluted

    is more usual for air, rivers, beaches, and other environmental contexts

  • tainted

    often suggests food, water, or a supply has been made impure

  • infected

    is narrower and mainly used when germs affect a living thing or wound

反義詞
  • clean

    describes something free from dirt or harmful material

  • pure

    stresses that nothing unwanted has entered it

  • sterile

    is mainly used for medical settings that must stay free from germs

文法句型

be contaminated

contaminated + noun

contaminated by something

contaminated with something

用法筆記

Often used for food, water, soil, medical tools, and lab samples. Common in health, safety, and official reports, especially with by- or with-phrases naming what caused the problem.

常見錯誤

❌The water contaminated after the leak.
✅The water was contaminated after the leak.
💡as an adjective, contaminated usually needs a linking verb such as 'be' or 'become'.
❌The doctors tested a contamination sample.
✅The doctors tested a contaminated sample.
💡use contaminated before a noun when the item has already become unsafe.