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heat engine Syllabification: heat en·gine

Definition of heat engine in English:


A device for producing motive power from heat, such as a gasoline engine or steam engine.
Example sentences
  • Day after day it was just such a waste to see nature display its heat engine in all its glory and to know that so few folks, if anyone at all, was out there taking advantage of all this free energy.
  • In 1824 Sadi Carnot's interest in improving the performance of steam engines led him to think about the efficiency of a heat engine in a new and fundamental way.
  • Simply designed, fuel cells are more efficient at converting chemical energy into work than a heat engine.

Definition of heat engine in:

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