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apparatus - definition and synonyms


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noun apparatus pronunciation in American English /ˌæpəˈrætəs/apparatus pronunciation in American English /ˌæpəˈreɪtəs/
Word Forms
pluralapparatuses or apparatus
  1. 1
    [countable/uncountable] the machines, tools, and equipment needed for doing something, especially something technical or scientific
    They were setting up the apparatus for the experiment.
    breathing apparatus
  2. 2
    [singular] the people and organizations involved in some aspect of government
    changes within the administrative apparatus of the ruling party
  3. 3
    [countable/uncountable] medical the organs responsible for the way a part of the body or mind works


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