Search Result for "external-combustion engine":
Wordnet 3.0

NOUN (1)

1. a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy; 



WordNet (r) 3.0 (2006):

external-combustion engine
    n 1: a heat engine in which ignition occurs outside the chamber
         (cylinder or turbine) in which heat is converted to
         mechanical energy