especially: a device that consists of a central hub with radiating blades placed and twisted so that each forms part of a helical surface and that is used to propel a vehicle (such as a ship or airplane)
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When one drone flies directly above another, the downward airflow from its propellers creates strong turbulence.—Aamir Khollam, Interesting Engineering, 6 Oct. 2025 The engine's cylinder set repeats the process continuously to create the mechanical energy powering the propeller or driveshaft.—New Atlas, 6 Oct. 2025 The two also credit the ease of access to regional funds as a great propeller.—Rafa Sales Ross, Variety, 25 Sep. 2025 The drone’s propeller may have gotten caught in power lines and exploded over a packed field.—Jacqueline Charles, Miami Herald, 24 Sep. 2025 See All Example Sentences for propeller
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