A defamatory statement is a false statement of fact that exposes a person to hatred, ridicule, or contempt, causes him to be shunned, or injures him in his business or trade.
Definition of pharmacology. 1  1 : the science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicology. 2  2 : the properties and reactions of drugs especially with relation to their therapeutic value.
pharmacology The field that studies the characteristics, effects and uses of drugs and their interactions with living organisms. pharmacology The study of the science and clinical application of medications; the study of drugs, their sources, their nature and properties. See Clinical pharmacology, Cosmetic pharmacology, Recombinant pharmacology.