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noun volume pronunciation in British English /ˈvɒljuːm/ 
Word Forms
  1. 1
    [countable/uncountable] an amount of something
    volume of:

    an increase in the volume of traffic

    The total volume of trade has reached £800 million.

    large/huge volume:

    Some students cannot cope with the huge volume of work.

  2. 2
    [countable/uncountable] the amount of space something fills, or the amount of space in a container

    The petrol tank has a volume of over 20 gallons.

    Let the bread rise to twice its original volume.

  3. 3
    [uncountable] the loudness of a sound from a television, radio etc

    Can you turn the volume up a little, please?

  4. 4
    [countable] formal a book

    the first volume in a new series of books on fine art

    See also  speak


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