Nacelle definition

nə-sĕl
Frequency:
A separate streamlined enclosure on an aircraft or spacecraft for sheltering the crew or cargo or for housing an engine and usually its related components.
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A similar enclosure on a wind turbine that houses the energy-generating components, including the shaft, generator, and gearing, and to which the rotor and blades of the turbine are attached.
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A separate streamlined enclosure mounted on an aircraft to house an engine, cargo, or crew.
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The part between the tower and rotor of a wind turbine.
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The compartment that holds passengers on a hot-air balloon, a dirigible, or an aerostat; a gondola.
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A streamlined enclosure on an aircraft, esp. for an engine.
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Other Word Forms

Noun

Singular:
nacelle
Plural:
nacelles

Origin of nacelle

  • French dinghy, gondola from Old French nacele small boat from Late Latin nāvicella diminutive of Latin nāvis ship nāu- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Old French nacele (“small boat"), from Latin navicella. The Modern English spelling is under the influence of Middle French and Modern French nacelle.

    From Wiktionary