public_address_system (HyperDic hyper-dictionary) (English)

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English 1 sense of the expression *public address system*:
NOUN	artifact	public address system, P.A. system, PA system, P.A., PA	an electronic amplification system used as a communication system in public areas

Englishpublic address system: 1 sense noun 1, artifact
Meaning	An electronic amplification system used as a communication system in public areas.
Synonyms	P.A. system, PA system, P.A., PA
Parts	amplifier	electronic equipment that increases strength of signals passing through it
	loudspeaker, speaker, speaker unit, loudspeaker system, speaker system	electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
	tannoy	A loudspeaker
Broader	communication system	A system for communicating
Spanish	megafonía
Catalan	megafonia

HyperDicEnglishPUBLIC A ... public address system