heat engine

Noun
  1. Any engine that makes use of heat to do work (synset 103513107)
    is a type of: engine - motor that converts thermal energy to mechanical work
    subtypes:
    • external-combustion engine - a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy
    • ice, internal-combustion engine - a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine

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