external-combustion engine

Noun
  1. A heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy (synset 103312518)
    is a type of: heat engine - any engine that makes use of heat to do work
    subtypes: steam engine - external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder

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