Definition of irradiate verb from the Oxford Advanced American Dictionary

     

    irradiate

     verb
    verb
    NAmE//ɪˈreɪdiˌeɪt//
     
    Verb Forms present simple I / you / we / they irradiate
     
    he / she / it irradiates
     
    past simple irradiated
     
    -ing form irradiating
     
     
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  1. 1irradiate something (technology) to treat food with gamma radiation in order to preserve it
  2. 2irradiate something (with something) (literary) to make something look brighter and happier faces irradiated with joy
irradiation
 
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NAmE//ɪˌreɪdiˈeɪʃn//
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: irradiate