turbine

noun

tur·​bine ˈtər-bən How to pronounce turbine (audio) -ˌbīn How to pronounce turbine (audio)
: a rotary engine actuated by the reaction or impulse or both of a current of fluid (such as water, steam, or air) subject to pressure and usually made with a series of curved vanes on a central rotating spindle

Did you know?

The oldest and simplest form of turbine is the waterwheel, which is made to rotate by water falling across its blades and into buckets suspended from them. Hero of Alexandria invented the first steam-driven turbine in the 1st century A.D., but a commercially practical steam turbine wasn't developed until 1884; steam turbines are now the main elements of electric power stations. Jet engines are gas turbines. A turbojet engine uses a turbine to compress the incoming air that feeds the engine before being ejected to push the plane forward; a turboprop engine uses its exhaust to drive a turbine that spins a propeller. A wind turbine generates electricity by being turned by the wind; the largest now have vanes with a turning diameter of over 400 feet.

Examples of turbine in a Sentence

Recent Examples on the Web
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The other was the failure to calculate boat emissions from the vessels shuttling workers to turbines located 11 miles offshore, a distance so far that the turbines are barely visible from land. Anna Broughel, Forbes.com, 7 Aug. 2025 Adjustable vanes are located inside the turbine housing between the inlet and turbine, controlling the flow of gases towards the turbine. Kristin Shaw, Popular Science, 30 July 2025 The battle over the gas turbines powering xAI's data center began last April when thermal imaging seemed to show that the firm was lying about dozens of seemingly operational turbines that could be a major source of smog-causing pollution. ArsTechnica, 16 July 2025 Memphis Mayor Paul Young claimed that only 15 of the turbines were in use and that the permits were pending. Vibe, VIBE.com, 16 July 2025 See All Example Sentences for turbine

Word History

Etymology

French, from Latin turbin-, turbo top, whirlwind, whirl, from turba confusion — more at turbid

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of turbine was in 1842

Cite this Entry

“Turbine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/turbine. Accessed 19 Aug. 2025.

Kids Definition

turbine

noun
tur·​bine ˈtər-bən How to pronounce turbine (audio)
-ˌbīn
: an engine whose central driving shaft is fitted with a series of blades spun around by the pressure of a fluid (as water, steam, or air)
Etymology

from French turbine "turbine," from Latin turbin-, turbo "top (for spinning), whirlwind"

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