This glossary presents the standard terms for Physical Organic Chemistry, as agree to by IUPAC.

This glossary was created by the Commission on Physical Organic Chemistry of the International Union of Pure and Applied Chemistry (IUPAC). It gives the standard agreed upon definitions for this field. The definitions used in this glossary are identical to those in the published document, see P. Müller, Pure Appl. Chem., 66, 1077-1184 (1994).