The science of drugs, including their composition, uses, and effects. 2. The characteristics or properties of a drug, especially those that make it medically effective. phar′ma·col′o·gist n. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. The meaning of PHARMACOLOGY is the science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicology. Pharmacology is the study of how medicines work and how they affect our bodies. The word ‘pharmacology’ comes from the ancient Greek words ‘pharmakon’ (meaning ‘drug’) and ‘logia’ (meaning ’knowledge of’). pharmacology, branch of medicine that deals with the interaction of drugs with the systems and processes of living animals, in particular, the mechanisms of drug action as well as the therapeutic and other uses of the drug. Pharmacology is a branch of medical and biological sciences which encompasses the research, discovery, and characterization of chemicals exhibiting biological effects, alongside the elucidation of cellular and organismal function in relation to these chemicals. The meaning of PHARMACOLOGICAL is of, relating to, or determined by pharmacology. How to use pharmacological in a sentence. This Special Issue will explore the application of organoids, organ-on-chip systems, and other advanced human models in drug discovery, immunopharmacology, disease modeling, and translational pharmacological research. Select a pharmacological compound below to access our comprehensive academic analysis, including mechanism of action, clinical trial summaries, and pharmacokinetic data. / ˌfɑː.mə.kəˈlɒdʒ.ɪ.k ə l / us / ˌfɑːr.mə.kəˈlɑːdʒ.ɪ.k ə l / relating to treatment that uses drugs (Definition of pharmacological from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press) PHARMACOLOGICAL definition: using, involving, or having to do with a drug or drugs. See examples of pharmacological used in a sentence.