public address system Meaning in the Cambridge English Dictionary
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Meaning of “public address system” in the English Dictionary

"public address system" in British English

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public address systemnoun [C]

uk   us   (abbreviation PA)
equipment for making ​soundlouder in a ​publicplace
(Definition of public address system from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"public address system" in Business English

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public address systemnoun [C]

uk   us   ( abbreviation PA, also PA system) COMMUNICATIONS
a ​system used to make announcements or ​play music in ​publicplaces
(Definition of public address system from the Cambridge Business English Dictionary © Cambridge University Press)
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