| 单词 | autorotation |
| 释义 | autorotation[ aw-toh-roh-tey-shuhn ] / ˌɔ toʊ roʊˈteɪ ʃən / noun Aeronautics.the condition of flight occurring when lift is derived solely from the action of air upon the unpowered rotor of a moving helicopter or autogiro. Origin of autorotationFirst recorded in 1915–20; auto-1 + rotation OTHER WORDS FROM autorotationau·to·ro·ta·tion·al, adjectiveWords nearby autorotationautoregulation, autoreinfection, auto-repeat, autoreproduction, autorickshaw, autorotation, autoroute, autosave, autoschediasm, autosensitization, autosepticemia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for autorotationautorotation / (ˌɔːtəʊrəʊˈteɪʃən) / nounthe continuous rotation of a body in an airflow, such as that of the rotor blades of a helicopter in an unpowered descent Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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