rotary engine

noun

Definition of rotary engine 

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

Recent Examples on the Web

By the very nature of its design, a rotary engine is lighter, less complex, and higher-revving than a typical box of pistons. Blake Z. Rong, Popular Mechanics, "​​The Evolution of the Combustion Engine​​," 5 June 2018 The 2016 RX-Vision concept—unveiled at the 2015 Tokyo Motor Show—gave credence to a salacious rumor: that a dedicated band of engineers with nothing to lose are still developing the next great rotary engine, somewhere in a Hiroshima skunkworks. Blake Z. Rong, Popular Mechanics, "​​The Evolution of the Combustion Engine​​," 5 June 2018 Instead, a light, super-quick response rotary engine generates the power that is converted into electricity by the four motors in real-time. Author: Elwood Brehmer, Anchorage Daily News, "Startup plans to revolutionize the air cargo industry, starting with Alaska," 15 June 2018 Mazda hasn't announced any specific products featuring a rotary engine at this time. Matthew Jancer, Popular Mechanics, "Why Car Lovers Are So Mad for Mazda’s Rotary Engine Revival," 21 May 2018 Felix Wankel himself was a German engineer who came up with his version of a rotary engine in the 1920s. Matthew Jancer, Popular Mechanics, "Why Car Lovers Are So Mad for Mazda’s Rotary Engine Revival," 21 May 2018 There, a 1910 Humber-Sommer biplane with a 50hp rotary engine carried 6,500 letters about 8.1 miles. Eric Tegler, Popular Mechanics, "'A Suicide Club': How WWI Pilots Pioneered the Age of Airmail," 9 May 2018 This specific rotary engine makes this insane sound. Tatiana Cirisano, Billboard, "How Australian DJ What So Not Tapped Toto, Skrillex & More For His Debut Album," 9 Mar. 2018 For Toyota, a merger gives them access to Mazda's new but still-in-development rotary engine which CarBuzz says can be used as a range extender for electric motors. William Thornton, AL.com, "Could Toyota and Mazda be considering a merger?," 24 Jan. 2018

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

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First Known Use of rotary engine

1799, in the meaning defined at sense 1

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The first known use of rotary engine was in 1799

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