mégaphone

Definitions of mégaphone
  1. noun
    a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
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    type of:
    système acoustique, système sonore
    a device for amplifying or transmitting sound
  2. noun
    device for converting sound waves into electrical energy
    synonyms: microphone
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    type of:
    transducteur électro-accoustique
    a transducer that converts electrical to acoustic energy or vice versa
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