- calorieA non-SI unit of energy, equivalent to 4.184 kilojoules, that can raise the temperature of a kilogram of water by one degree Celsius. This is the unit normally used in food labeling.
- calorimeterAn apparatus for measuring the heat generated or absorbed by either a chemical reaction, change of phase or some other physical change.
- calorimetryThe science of measuring the heat absorbed or evolved during the course of a chemical reaction or change of state.
- caloricsThe study of heat flow and heat transfer.
- calorifereAn apparatus for conveying and distributing heat, especially by means of hot water circulating in tubes.
- calorimotorA voltaic battery, from the 19th century, with a large surface of plate, producing (by the then standards) powerful heating effects.
- calorizeTo form a protective surface on (a ferrous metal) by coating with aluminum powder and then heating.
- caloronIn mathematical physics, a finite temperature instanton.