Measurement of quantities of heat WordNet 3.0 & Open English WordNet

In chemistry and thermodynamics, calorimetry is the science or act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state due, for example, to chemical reactions, physical changes, or phase transitions under specified constraints. Wikipedia

Thermodynamic state measurement Wikidata

The science of measuring the heat absorbed or evolved during the course of a chemical reaction or change of state. Wiktionary