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 not only encompasses the discovery of drugs, but also the investigation of their chemical properties, mechanisms of action, uses and biological effects. Within the discipline of pharmacology, there is scope for studying many different aspects of how chemical agents act on the body, and vice versa.