rotary engine
noun
1
: any of various engines (such as a turbine) in which power is applied to vanes or similar parts constrained to move in a circular path
2
: a radial engine in which the cylinders revolve about a stationary crankshaft
Examples of rotary engine in a Sentence
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Impressively aerodynamic, the Ro 80’s long wheelbase, spacious greenhouse, and elegant shape were enabled by the use of Felix Wankel’s compact rotary engine.
—
Raphael Orlove, Robb Report, 27 Feb. 2025
By 1920, Berliner’s Gyro Motor Company had taken over the entire building to produce lightweight rotary engines for the first-ever helicopters.
—Demetrius Simms, Robb Report, 5 Dec. 2024
The engine itself features a novel design that's kind of like an inside-out Wankel rotary engine, and delivers a jaw-dropping power density of up to 1.5 horsepower per pound.
—New Atlas, 24 Sep. 2024
Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines.
—New Atlas, 19 Sep. 2024
See All Example Sentences for rotary engine
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Raphael Orlove, Robb Report, 27 Feb. 2025
By 1920, Berliner’s Gyro Motor Company had taken over the entire building to produce lightweight rotary engines for the first-ever helicopters.
—Demetrius Simms, Robb Report, 5 Dec. 2024
The engine itself features a novel design that's kind of like an inside-out Wankel rotary engine, and delivers a jaw-dropping power density of up to 1.5 horsepower per pound.
—New Atlas, 24 Sep. 2024
Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines.
—New Atlas, 19 Sep. 2024
See All Example Sentences for rotary engine
Cite this Entry
“Rotary engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotary%20engine. Accessed 21 May. 2025.
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