heat energy

Definitions of heat energy
  1. noun
    a form of energy that is transferred by a difference in temperature
    synonyms: heat
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    types:
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    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
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