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motion - definition and synonyms

 
 
 
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noun motion pronunciation in British English /ˈməʊʃ(ə)n/
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singularmotion
pluralmotions
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  1. 1
    [uncountable] the process or action of moving

    Special instruments record the speed and motion of the atoms.

    in motion:

    Muybridge developed high-speed photography of people and animals in motion.

    1. a.
      [countable] a movement that someone or something makes

      Rub the horse’s coat in a circular motion.

      She made a little fluttering motion with her hands.

  2. 2
    [countable] a formal proposal that people discuss and then vote on in a meeting or debate. Someone proposes a motion (=suggests it), and someone else must second it (=say formally that they support it) before it is accepted for discussion

    The Committee will debate the motion today.

  3. 3
    [countable/uncountable] formal the process of getting rid of solid waste from your body
    1. a.
      the solid waste matter that you get rid of from your body

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… a language for human communication which has been invented and has not developed naturally

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