The enthalpy (per mole) required to break a given bond of some specific molecular entity by homolysis, e.g. for , symbolized as (cf. heterolytic bond dissociation energy).
See also: bond energy
PAC, 1994, 66, 1077 (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1089
PAC, 1990, 62, 2167 (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2176