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sound

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noun American English pronunciation: sound /saʊnd/ 
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singularsound
pluralsounds
 
  1. 1
    [countable] something that you can hear

    My car is making strange clicking sounds.

    sound of:

    the sound of voices/laughter/footsteps

    not make a sound (=be very quiet):

    Laura didn't make a sound as she left the room.

    1. a.
      [uncountable] energy that travels through air or water and that a human ear can hear

      The aircraft could travel faster than the speed of sound.

  2. 2
    [uncountable] the music, talking, and other noises that come from a radio, television, movie, etc.

    Something was interfering with the sound during the broadcast.

    1. a.
      [uncountable] the loudness of a radio, television, etc.

      Turn the sound up a little – I can't hear.

  3. 3
    [countable] the particular musical style of a person, band, or place

    He plays an original jazz-gospel sound.

  4. 5

    sounds

    [plural] British informal tunes

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