heat energy

/hit ˌɛnərdʒi/

Definitions of heat energy

1. noun

   a form of energy that is transferred by a difference in temperature
   synonyms: heat

   types:

   geothermal energy

   energy derived from the heat in the interior of the earth

   heat of dissociation

   the heat required for a fluid substance to break up into simpler constituents

   heat of formation

   the heat evolved or absorbed during the formation of one mole of a substance from its component elements

   heat of solution

   the heat evolved or absorbed when one mole of a substance is dissolved in a large volume of a solvent

   heat of transformation, latent heat

   heat absorbed or radiated during a change of phase at a constant temperature and pressure

   specific heat

   the heat required to raise the temperature of one gram of a substance one degree centigrade

   heat of condensation

   heat liberated by a unit mass of gas at its boiling point as it condenses into a liquid

   heat of fusion

   heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature

   heat of solidification

   heat liberated by a unit mass of liquid at its freezing point when it solidifies

   heat of sublimation

   heat absorbed by a unit mass of material when it changes from a solid to a gaseous state

   heat of vaporisation, heat of vaporization

   heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature

   type of:

   energy, free energy

   (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs