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Definitions

rotary

[roh-tuh-ree] / ˈroʊ tə ri /


Example Sentences

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A startup called LiquidPiston has spent more than a decade developing a new kind of rotary engine—including the X Mini shown here—that it says can be both more efficient and compact than traditional piston engines.

From The Wall Street Journal • Apr. 24, 2026

The company built and flew a prototype of one such drone, in which batteries power the vertical takeoff and the rotary engine takes over for long-range horizontal flight.

From The Wall Street Journal • Apr. 24, 2026

LiquidPiston’s Shkolnik says that someday, his company’s novel rotary engine could be ideal for providing range extension.

From The Wall Street Journal • Apr. 24, 2026

During her life she secured more than 25 other permits, including for shoe-manufacturing equipment, improved window frames and sashes and a rotary engine.

From The Wall Street Journal • Apr. 9, 2026

You’re given a top-down view of a three-dimensional tunnel, and you use a spinning rotary dial to control a “shooter” that travels around the rim of the tunnel.

From "Ready Player One: A Novel" by Ernest Cline




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