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release - definition and synonyms


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noun release pronunciation in British English /rɪˈliːs/
Word Forms
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  1. 1
    [uncountable] the act of letting someone leave a place such as a prison or hospital
    release of: The release of Nelson Mandela was watched by millions of people on TV.
    release from: He was taken home on his release from hospital.
    secure someone’s release: The Foreign Office has finally secured her release from prison.
  2. 2
    [uncountable] science a situation in which something such as a chemical is spread into the area or atmosphere around it
    We’re doing all we can to prevent the release of toxic waste into the oceans.
  3. 3
    [uncountable] the act of making something available
    release of: the release of secret government information
    1. a.
      [countable] a new film, video, or CD that is available for people to see or buy
      The band’s latest release is called ‘White Clouds’.
  4. 6
    [countable/uncountable] an opportunity or permission not to do something
    The weekend was a much-needed release from work.



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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