kinetics
noun
ki·net·ics kə-ˈne-tiks 
also kī-
plural in form but singular or plural in construction
1
a
: a branch of science that deals with the effects of forces upon the motions of material bodies or with changes in a physical or chemical system
b
: the rate of change in such a system
2
: the mechanism by which a physical or chemical change is effected
Example Sentences
Recent Examples on the Web His pictures, most in black and white, came to be admired for their composition, insight and energy, which sometimes mimicked the kinetics of combat photography. 
New York Times, 2 May 2022 Differences between fore- and rearfoot strike running patterns based on kinetics and kinematics. Tom Michaud, Outside Online, 1 Aug. 2018 But just as with your eyeballs, there is still some uncertainty in establishing the exact kinetics of these uberdistant objects, Faherty says. Tess Joosse, Scientific American, 1 July 2021 The scale and the kinetics of distribution required in the midst of a pandemic are a challenge, in and of itself. The Atlantic, 13 Nov. 2020
New York Times, 2 May 2022 Differences between fore- and rearfoot strike running patterns based on kinetics and kinematics. Tom Michaud, Outside Online, 1 Aug. 2018 But just as with your eyeballs, there is still some uncertainty in establishing the exact kinetics of these uberdistant objects, Faherty says. Tess Joosse, Scientific American, 1 July 2021 The scale and the kinetics of distribution required in the midst of a pandemic are a challenge, in and of itself. The Atlantic, 13 Nov. 2020 Word History
First Known Use
circa 1859, in the meaning defined at sense 1a
Medical Definition
kinetics
noun, plural in form but singular or plural in construction
ki·net·ics kə-ˈnet-iks, kī-
1
a
: a branch of science that deals with the effects of forces upon the motions of material bodies or with changes in a physical or chemical system
b
: the rate of change in such a system
2
: the mechanism by which a physical or chemical change is effected