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turboshaft

[tur-boh-shaft, -shahft]
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noun Aeronautics.
  1. a gas turbine used to deliver shaft power, as to a helicopter rotor.

Origin of turboshaft

First recorded in 1955–60; turbo- + shaft
Also called turboshaft engine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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