na·​celle | \ nə-ˈsel How to pronounce nacelle (audio) \

Definition of nacelle

: a streamlined enclosure (as for an engine) on an aircraft

Examples of nacelle in a Sentence

Recent Examples on the Web

As a result, sections of the wings are much thicker than on a normal passenger jet, with a pair of engine nacelles mounted above the rear trailing edges. Jonathan M. Gitlin, Ars Technica, "“Flying-V” airplane design promises fuel savings, but there’s a catch," 4 June 2019 The Osprey is 57 feet long and 22 feet high with its engine nacelles rotated upward. Kyle Mizokami, Popular Mechanics, "V-22 Osprey: The Story of the Revolutionary Tiltrotor Aircraft," 8 Feb. 2019 The set also features adjustable and motorized turbine blades and a movable nacelle with aircraft warning lights. Avery Thompson, Popular Mechanics, "Put Renewable Energy On Your Desk With a Lego Wind Turbine," 26 Sep. 2018 The engine includes a composite fan more than 11 feet in diameter, tucked into a 14-and-a-half-foot engine capsule, or nacelle. Sam Blum, Popular Mechanics, "The Biggest Jet Engines in History Are Finally Ready to Power Boeing's Biggest Plane," 4 Jan. 2019 Momentum purchased the wind farm and upgraded the nacelles, blades, and control systems while leaving the towers, foundations, and transmission equipment. Megan Geuss, Ars Technica, "Offshore, Act Two: New owner repowers 20-year-old wind farm off Swedish coast," 30 Dec. 2018 Workers watch the unveiling of a nacelle for a wind turbine at the inauguration of a Siemens Gamesa plant in northern Germany. Erin Ailworth, WSJ, "The Race to Build a Wind Behemoth," 24 Aug. 2018 Because of the tilt rotor design, which places two large propellers and engine nacelles to the left and right of the fuselage, machine guns cannot be safely fired from the side of the aircraft. Kyle Mizokami, Popular Mechanics, "The Military Wants a Forward-Firing Gun for the Osprey," 1 June 2018 And before the electricity leaves the tower, a transformer inside the nacelle steps it up from 690 volts to 34.5 kilovolts. Matt Allyn, Popular Mechanics, "The Wind Catchers," 6 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nacelle.' 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 nacelle

1904, in the meaning defined above

History and Etymology for nacelle

French, literally, small boat, from Late Latin navicella, diminutive of Latin navis ship — more at nave

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Statistics for nacelle

Last Updated

23 Jun 2019

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Time Traveler for nacelle

The first known use of nacelle was in 1904

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More from Merriam-Webster on nacelle

Rhyming Dictionary: Words that rhyme with nacelle

Nglish: Translation of nacelle for Spanish Speakers

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