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English Dictionary

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 motion motion /ˈmoʊʃən/

noun

  1. () The use of movements (especially of the hands) to communicate familiar or prearranged signals  ( gesture , motion )
    the use of movements (especially of the hands) to communicate familiar or prearranged signals
      The lawyer presented a motion to dismiss the case.
    The lawyer presented a motion to dismiss the case.
  2. () A natural event that involves a change in the position or location of something  ( motion , movement )
    a natural event that involves a change in the position or location of something
      The dancers moved in perfect harmony, captivating the audience with their motion.
    The dancers moved in perfect harmony, captivating the audience with their motion.
  3. () A change of position that does not entail a change of location  ( motility , move , motion , movement )
    a change of position that does not entail a change of location
     The reflex motion of his eyebrows revealed his surprise
    the reflex motion of his eyebrows revealed his surprise
     Movement is a sign of life
    movement is a sign of life
     An impatient move of his hand
    an impatient move of his hand
     Gastrointestinal motility
    gastrointestinal motility
  4. () A state of change  ( motion )
    a state of change
     They were in a state of steady motion
    they were in a state of steady motion
  5. () The act of changing location from one place to another  ( move , motion , movement )
    the act of changing location from one place to another
     Police controlled the motion of the crowd
    police controlled the motion of the crowd
     The movement of people from the farms to the cities
    the movement of people from the farms to the cities
     His move put him directly in my path
    his move put him directly in my path
  6. () A formal proposal for action made to a deliberative assembly for discussion and vote  ( question , motion )
    a formal proposal for action made to a deliberative assembly for discussion and vote
     He made a motion to adjourn
    he made a motion to adjourn
     She called for the question
    she called for the question
  7. An optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object  ( apparent motion , apparent movement , motion , movement )
    an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
     The cinema relies on apparent motion
    the cinema relies on apparent motion
     The succession of flashing lights gave an illusion of movement
    the succession of flashing lights gave an illusion of movement

verb

  1. () Show, express or direct through movement  ( motion , gesture , gesticulate )
    show, express or direct through movement
     He gestured his desire to leave
    He gestured his desire to leave