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.
Definition of pharmacopoeia. 1 : a book describing drugs, chemicals, and medicinal preparations; especially : one issued by an officially recognized authority and serving as a standard. 2 : a collection or stock of drugs.