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.
Relating to pharmacology or drugs. pharmacological, pharmacologic. pertaining to pharmacology. the relationship between drugs in which an antagonist inhibits the activity of an agonist by reacting with the receptor or other part of the effector mechanism. The antagonist has no other pharmacological function.