turboshaft

noun
tur·​bo·​shaft | \ ˈtər-bō-ˌshaft How to pronounce turboshaft (audio) \

Definition of turboshaft

: a gas turbine engine that is similar in operation to a turboprop engine but instead of being used to power a propeller is used through a transmission system for powering other devices (such as helicopter rotors and pumps)

Examples of turboshaft in a Sentence

Recent Examples on the Web Unlike the 212, the Huey II remains a single-engine helicopter powered by a Honeywell T53-L-703 turboshaft engine with 1,800 shaft-horsepower. Eric Tegler, Forbes, 23 Dec. 2021 The power train will be hybrid in the sense of having electric lift rotor assemblies, while still employing turboshaft thrusters for the most efficient and longer-range flight. J. George Gorant, Robb Report, 23 Dec. 2021 The copter, with two Safran Arriel 2E turboshaft engines, is also designed for single-engine flight. Michael Verdon, Robb Report, 25 Apr. 2021 The new engines that replace the 4,500-hp Pratt & Whitney JFTD-12 turboshafts of the current helicopter are sourced from an as yet unnamed manufacturer. Eric Tegler, Popular Mechanics, 9 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'turboshaft.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of turboshaft

1958, in the meaning defined above

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The first known use of turboshaft was in 1958

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Cite this Entry

“Turboshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/turboshaft. Accessed 26 Sep. 2022.

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More from Merriam-Webster on turboshaft

Britannica.com: Encyclopedia article about turboshaft

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