define pharmacokinetic
Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia. pharmacokinetics. the study of the movement of drugs in the body, including the processes of absorption, distribution, localization in tissues, biotransformation, and excretion. adj., adj pharmacokinet´ic.
In pharmacology, a pharmaceutical drug, also called a medication or medicine, is a chemical substance used to treat, cure, prevent, or diagnose a disease or to promote well-being. Traditionally drugs were obtained through extraction from medicinal plants, but more recently also by organic synthesis.