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heat engine

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noun Thermodynamics.
  1. a mechanical device designed to transform part of the heat entering it into work.

Origin of heat engine

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for heat engine

Historical Examples

  • But during the centuries of experiments with a heat-engine, the political world had greatly changed.

    The Story of Mankind

    Hendrik Van Loon

  • But during the centuries of experiments with a "heat-engine," the political world had greatly changed.

    The Story of Mankind

    Hendrik van Loon

  • In every heat-engine, therefore, there must be a fall from a higher to a lower temperature; otherwise no work would be done.


British Dictionary definitions for heat engine

heat engine

noun
  1. an engine that converts heat energy into mechanical energy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012