n. A branch of pharmacology concerned with the rate at which drugs are absorbed, distributed, metabolized, and eliminated by the body.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the study of the action of drugs in the body: method and rate of excretion; duration of effect; etc.
Word Usage
"The study of the kinetics (movement) of chemicals was originally conducted with pharmaceuticals and thus the term pharmacokinetics became commonly used."