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

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As a result, the turbine can run at higher temperatures. Georgina Jedikovska, Interesting Engineering, 14 May 2026 Hornsea 2, the world’s largest operating offshore wind farm, has 165 turbines. ABC News, 14 May 2026 The sphere at the top of the node bobs in the water, with the attached tube oscillating water within it, spinning turbines inside the structure that generate electricity. Sasha Rogelberg, Fortune, 14 May 2026 Nebius, which is building a large, at least 800 MW facility out in Independence, will utilize some renewable energy while also leaning heavily on fossil fuel turbines. Sofi Zeman may 11, Kansas City Star, 11 May 2026 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 18 May. 2026.

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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