American English

Definition of contaminate verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they contaminate
    he / she / it contaminates
    past simple contaminated
    -ing form contaminating
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  1. 1contaminate something (with something) to make a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease synonym adulterate The drinking water has become contaminated with lead. contaminated blood/food/soil a river contaminated by pollution
  2. 2contaminate something (formal) to influence people's ideas or attitudes in a bad way They were accused of contaminating the minds of our young people. see also uncontaminated
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noun [uncountable] radioactive contamination see also cross-contamination
See the Oxford Advanced Learner's Dictionary entry: contaminate