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volume

US //ˈvɑɫjum// UK //vˈɒljuːm// vol·ume
  1. 1 physical space (n.)
    B1 Intermediate Academic Science

    the amount of space that an object or substance fills.

    the amount of three-dimensional space occupied by an object or substance.

    Example

    The scientist measured the volume of water in the glass beaker.

    Example

    As the temperature of the gas increases, its volume expands unless the pressure is adjusted to compensate.

    Usage

    Uncountable when referring to the general concept of space; countable when referring to specific measurements.

  2. 2 loudness (n.)
    A2 Elementary

    how loud or quiet a sound is.

    the degree of loudness or the intensity of a sound.

    Example

    Could you please turn down the volume on the television?

    Example

    The speaker adjusted the volume to ensure that his voice reached the back of the auditorium without distorting the audio quality.

    Usage

    Usually uncountable; often used with 'turn up' or 'turn down'.

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  1. 3 a book (n.)
    B2 Upper Intermediate Formal

    one book, especially one that is part of a larger set of books.

    a single book, or one of a series of books that form a complete work.

    Example

    I found the second volume of the encyclopedia on the top shelf.

    Example

    The library houses a rare first volume of the historical series, bound in original leather and remarkably well-preserved.

    Usage

    Countable; frequently used in academic or archival contexts.

  2. 4 quantity (n.)
    B2 Upper Intermediate Academic Economics

    a large amount or total number of something.

    the total amount or quantity of something, often in a commercial or industrial context.

    Example

    The shop handles a high volume of customers during the holiday season.

    Example

    The sudden increase in trading volume on the stock market suggested that investors were reacting to the new economic data.

    Usage

    Usually singular; often follows 'high', 'low', or 'large'.

  3. 5 storage area (n.)
    C1 Advanced Technical Computing

    a specific area on a computer disk used for storing files.

    an identifiable area of data storage with a single file system.

    Example

    The computer warned me that the backup volume was almost full.

    Example

    The system administrator partitioned the hard drive into three separate volumes to better manage the server's data distribution.

    Usage

    Countable; refers to logical rather than physical storage units.

  4. 6 to show clearly (n.)
    B2 Upper Intermediate

    to show a lot about a person's feelings or a situation without using words.

    to convey a great deal of information or meaning through non-verbal cues.

    Example

    The look on her face spoke volumes about how disappointed she was.

    Example

    While the CEO remained silent during the press conference, his tense body language spoke volumes to the gathered reporters.

    Usage

    Almost exclusively used in the plural idiom 'speak volumes'.

Origin

From Middle English volume, from Old French volume, from Latin volūmen (“book, roll”), from volvō (“roll, turn about”).

Idioms1 entry

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