Definition of contaminate verb from the Oxford Advanced Learner's Dictionary

     

    contaminate

     verb
    verb
    BrE BrE//kənˈtæmɪneɪt//
     
    ; NAmE NAmE//kənˈtæmɪneɪt//
     
    Verb Forms present simple I / you / we / they contaminate
    BrE BrE//kənˈtæmɪneɪt//
     
    ; NAmE NAmE//kənˈtæmɪneɪt//
     
    he / she / it contaminates
    BrE BrE//kənˈtæmɪneɪts//
     
    ; NAmE NAmE//kənˈtæmɪneɪts//
     
    past simple contaminated
    BrE BrE//kənˈtæmɪneɪtɪd//
     
    ; NAmE NAmE//kənˈtæmɪneɪtɪd//
     
    past participle contaminated
    BrE BrE//kənˈtæmɪneɪtɪd//
     
    ; NAmE NAmE//kənˈtæmɪneɪtɪd//
     
    -ing form contaminating
    BrE BrE//kənˈtæmɪneɪtɪŋ//
     
    ; NAmE NAmE//kənˈtæmɪneɪtɪŋ//
     
    Waste and pollution
     
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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 See related entries: Waste and 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.
  3. see also uncontaminated
    Word Origin late Middle English: from Latin contaminat- ‘made impure’, from the verb contaminare, from contamen ‘contact, pollution’, from con- ‘together with’ + the base of tangere ‘to touch’.
See the Oxford Advanced American Dictionary entry: contaminate