[ki-net-iks, kahy-]
See more synonyms for kinetics on
noun (used with a singular verb) Physics.
  1. the branch of mechanics that deals with the actions of forces in producing or changing the motion of masses.

Origin of kinetics

First recorded in 1860–65; see origin at kinetic, -ics Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for kinetics

Historical Examples of kinetics

British Dictionary definitions for kinetics


noun (functioning as singular)
  1. another name for dynamics (def. 2)
  2. the branch of mechanics, including both dynamics and kinematics, concerned with the study of bodies in motion
  3. the branch of dynamics that excludes the study of bodies at rest
  4. the branch of chemistry concerned with the rates of chemical reactions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for kinetics

1864, from kinetic; see -ics.

Online Etymology Dictionary, © 2010 Douglas Harper

kinetics in Medicine


[kə-nĕtĭks, kī-]
  1. The branch of mechanics concerned with the effects of forces on the motion of a body or system of bodies, especially of forces that do not originate within the system itself.dynamics
  2. The branch of chemistry concerned with the rates of change in the concentration of reactants in a chemical reaction.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

kinetics in Science


  1. See dynamics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.