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thermal energy

[ thur-muhl en-er-jee ]

noun

, Physics.
  1. the energy of a body or system that is directly related to its temperature:

    In a steam turbine, the thermal energy of the water vapor transforms into the mechanical power of the turbine.



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Word History and Origins

Origin of thermal energy1

First recorded in 1850–55

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Example Sentences

Hence, a tendency exists towards a diminution of the mechanical energy and towards an increase of the thermal energy of the world.

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thermal efficiencythermal equator