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. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being. 2. any substance recognized in the official pharmacopoeia or formulary of the nation.