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device - definition and synonyms


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noun [countable] device pronunciation in British English /dɪˈvaɪs/
Word Forms
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  1. 1
    a machine or piece of equipment that does a particular thing
    Secure your bike with this simple locking device.
    device for: a device for measuring humidity in the air
    labour-saving device (=a machine that reduces the work you have to do): labour-saving devices like the dishwasher and the microwave
  2. 2
    a bomb
    The device exploded only a short distance away from her.
    a nuclear device
  3. 3
    formal a way of making something happen or of making someone do something
    We needed a device to get him out of the house.
    1. a.
      a way that a writer, artist etc creates a particular effect or makes people have a particular reaction
      Hitchcock employs various devices to build up suspense.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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