Etymology: turbo- + propeller + engine
: a jet engine having a turbine-driven propeller and designed to produce thrust principally by means of a propeller although additional thrust is usually obtained from the hot exhaust gases which issue in a jet
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/terr"boh preuh pel'euhr/, Aeron.
a jet engine with a turbine-driven propeller that produces the principal thrust, augmented by the thrust of the jet exhaust. Also called propjet engine, turboprop engine.
[1945-50]
Useful english dictionary. 2012.