[ dahy-nam-iks ]
/ daɪˈnæm ɪks /
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(used with a singular verb)Physics. the branch of mechanics that deals with the motion and equilibrium of systems under the action of forces, usually from outside the system.
(used with a plural verb) the motivating or driving forces, physical or moral, in any field.
(used with a plural verb) the pattern or history of growth, change, and development in any field.
(used with a plural verb) variation and gradation in the volume of musical sound.
(used with a singular verb) psychodynamics.
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Origin of dynamics

First recorded in 1780–90; see origin at dynamic, -ics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dynamics in a sentence

British Dictionary definitions for dynamics

/ (daɪˈnæmɪks) /

(functioning as singular) the branch of mechanics concerned with the forces that change or produce the motions of bodiesCompare statics, kinematics
(functioning as singular) the branch of mechanics that includes statics and kineticsSee statics, kinetics
(functioning as singular) the branch of any science concerned with forces
those forces that produce change in any field or system
  1. the various degrees of loudness called for in performance
  2. Also called: dynamic marks, dynamic markings directions and symbols used to indicate degrees of loudness
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

Scientific definitions for dynamics

[ dī-nămĭks ]

The branch of physics that deals with the effects of forces on the motions of bodies. Also called kinetics Compare kinematics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.