解かい離り熱ねつかいりねつMeanings1nounheat of dissociationTechnical term in chemistry and physics for the enthalpy change when a compound dissociates into simpler molecules or atoms.水みずの解かい離り熱ねつは約やく57 kJ/molである。The heat of dissociation of water is about 57 kJ/mol.
