Meaning of “background radiation” in the English Dictionary

british dictionary

"background radiation" in British English

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background radiationnoun [ C ]

uk /ˌbæk.ɡraʊnd reɪ.diˈeɪ.ʃən/ us /ˌbæk.ɡraʊnd reɪ.diˈeɪ.ʃən/ specialized

(Definition of “background radiation” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)