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English definition of “AM”

AM

noun uk   /ˌeɪˈem/ us  

AM noun (RADIO)

[U] abbreviation for amplitude modulation: a type of radio broadcasting in which the strength of the signal changes, producing sound of a lower quality than FM: You're listening to Radio Gold, broadcasting 24 hours a day on 909 AM.

AM noun (POLITICIAN)

[C] UK abbreviation for Assembly Member: a person who has been elected to the Welsh Assembly
(Definition of AM noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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