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 on the other hand is defined as âthe science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicologyâ by Merriam-Webster. This is the study of everything about drugs. Thus, pharmacotherapeutics is a subtopic of pharmacology.