单词	autogiro
释义	autogiro noun au·​to·​gi·​ro ˌȯ-tō-ˈjī-(ˌ)rō  variants or autogyro plural autogiros : a rotary-wing aircraft that employs a propeller for forward motion and a freely rotating rotor for lift Illustration of autogiro Example Sentences Recent Examples on the Web Gyrocopters: 1939 to 1940s The autogiro, a single-person helicopter-ish vehicle, was invented in the early 1920s by a Spanish engineer named Juan de law Cierva. Popular Mechanics Editors, Popular Mechanics, 18 Jan. 2019 The AutogyroSpanish engineer Juan de la Cierva invented and first flew his autogiro in Madrid in January 1923. Alex Davies, WIRED, 3 July 2014 Word History Etymology from Autogiro, a trademark First Known Use 1907, in the meaning defined above autogiro noun variants or autogyro as in gyroplane Synonyms & Similar Words Relevance gyroplane rotorcraft convertiplane helicopter tilt-rotor whirlybird chopper convertaplane eggbeater copter helo rotary-wing aircraft slick
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