turboprop

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turboprop:

see turbineturbine,
rotary engine that uses a continuous stream of fluid (gas or liquid) to turn a shaft that can drive machinery.

A water, or hydraulic, turbine is used to drive electric generators in hydroelectric power stations.
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turboprop

[′tər·bō‚präp]
(aerospace engineering)
A gas turbine power plant that produces shaft power to drive aircraft propellers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

propjet

A turbine engine that drives a propeller through a system of reduction gears. Most of the heat energy in the exhaust gases is converted into torque, rather than using its acceleration for propelling the aircraft forward. The propeller is then either driven by the shaft carrying the compressor or by a separate turbine (free turbine) that takes the power from the generated gases. The same as turboprop
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

turboprop

1. an aircraft propulsion unit where a propeller is driven by a gas turbine
2. an aircraft powered by turboprops
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005