What is another word for heat content?
Pronunciation: [hˈiːt kˈɒntɛnt] (IPA) 
Heat content is the amount of energy stored in a substance or system, typically resulting in an increase in temperature. Synonyms for this term include thermal energy, heat capacity, enthalpy, and internal energy. Thermal energy refers to the amount of energy possessed by the particles in a substance that is responsible for its heat content. Heat capacity refers to the ability of a substance to absorb heat without a significant change in temperature. Enthalpy refers to the amount of heat absorbed or released by a system during a process. Internal energy refers to the energy stored within a system as a result of the movement and interactions of its particles. All these terms are used interchangeably to describe the heat content of a system.
