plural noun[usually treated as singular]
1The branch of chemistry or biochemistry concerned with measuring and studying the rates of reactions.
- The physical chemist is concerned concerned with the rate of change in a substance, which is the study of reaction kinetics.
- Chemical kinetics is the study of the rates of reactions and of the factors that determine the speed of a reaction.
- In chemistry we talked about kinetics, and we had the Bunsens on to keep us warm.
1.1 [usually treated as plural] The rates of chemical or biochemical reaction.
- Another important term used to characterize chemical reactions kinetics is ‘half-life.’
- He explained that the differences in the serum levels of the drug products do not necessarily indicate differences in quality, but do reflect their different kinetics.
- The relative stomatal response revealed identical kinetics during irradiation with white light or with light of defined quality.
1.2 Physics The study of forces acting on mechanisms.
- And as Ryman remembers, ‘It was a unique and successful program in applied heath sciences, human kinetics and leisure studies.’
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