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noun book pronunciation in American English /bʊk/
Word Forms
  1. 1
    [countable] a written work that is published, either as printed pages inside a cover or electronically

    a book by Nelson Mandela, entitled Long Walk to Freedom

    book about/on:

    I’m reading a book about American history.

    As well as being produced annually in hardback, the book is also published electronically.

    It’s so convenient to find a book online and download it.

  2. 2
    [countable] something that you write in, consisting of pages fastened together inside a cover

    Visitors to the building must sign the book.

    address/exercise book:

    I wrote his phone number in my address book.

  3. 4


    [plural] business records of the money that an organization or business has earned and spent
    do the books (=record the necessary information in them):

    Alfred’s job was to do the books at the end of each month.

    1. a.
      records of customers that use a companys services
      on someone’s books:

      a theatrical agency with dozens of top actors on its books




… a teaching method in which groups of children learn independently using a computer linked to the internet

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Open Dictionary


a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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