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Definitions of p.a.
  1. adverb
    by the year; every year (usually with reference to a sum of money paid or received)
  2. noun
    an electronic amplification system used as a communication system in public areas
Parts of p.a.
  • "loudspeaker"
  • "loudspeaker system"
  • "speaker"
  • "speaker system"
  • "speaker unit"
  • "amplifier"
  • "tannoy"
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