noun (used with a singular verb) Physics.

  1. the branch of mechanics that deals with pure motion, without reference to the masses or forces involved in it.
  2. Also called applied kinematics. the theory of mechanical contrivance for converting one kind of motion into another.


  1. (functioning as singular) the study of the motion of bodies without reference to mass or forceCompare dynamics (def. 1)

“science of motion,” 1840, from French cinématique (Ampère, 1834), from Greek kinesis “movement, motion” (see cite). Related: Kinematic (1864); kinematical.


  1. The branch of mechanics dealing with the study of the motion of a body or a system of bodies without consideration given to its mass or the forces acting on it.

  1. The branch of physics that deals with the characteristics of motion without regard for the effects of forces or mass. Compare dynamics.
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