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Flap

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Encyclopedia
Flap may refer to:
  • Flap (aircraft)
    Flap (aircraft)
    Flaps are hinged surfaces on the trailing edge of the wings of a fixed-wing aircraft. As flaps are extended, the stalling speed of the aircraft is reduced, which means that the aircraft can fly safely at slower speeds...

    , a hinged surface on the trailing edge of an airplane wing
  • Roof flap
    Roof flap
    A roof flap is an aerodynamic feature of modern race cars, especially stock cars.The roof flaps serve as a situational spoiler. A race car's body is designed to optimize downforce, but if that body is spun so air is flowing in reverse, lift is generated instead of countered...

    , an aerodynamic feature of race cars
  • Flapping, one of the basic mechanics of flight in birds
  • Flap, any hinged plate often used as a cover or a simple one-way valve
    Valve
    A valve is a device that regulates the flow of a fluid by opening, closing, or partially obstructing various passageways. Valves are technically pipe fittings, but are usually discussed as a separate category....

    • Cat flap
      Cat flap
      A cat flap or cat door is a hinged flap set into a door, wall or window to allow cats to enter and exit a house on their own without needing a human to open the door, while offering a degree of protection against wind and rain entering the dwelling...

      , a hinged flap that allows a cat to enter or leave a room or building
    • Butt flap, a separately removable part of underwear (un)covering the buttocks
    • Sluice
      Sluice
      A sluice is a water channel that is controlled at its head by a gate . For example, a millrace is a sluice that channels water toward a water mill...

       or flap gate, a pressure driven water flow control device between a channel and other water body
  • Flap consonant
    Flap consonant
    In phonetics, a flap or tap is a type of consonantal sound, which is produced with a single contraction of the muscles so that one articulator is thrown against another.-Contrast with stops and trills:...

    , a sound produced by brief contact between the tongue and the roof of the mouth
    • Intervocalic alveolar flapping
      Intervocalic alveolar flapping
      Intervocalic alveolar flapping is a phonological process found in many dialects of English, especially North American English and Australian English, by which prevocalic and surface as the alveolar tap after sonorants other than , , and .*after vowel: butter*after r: barter*after l: faculty...

      , a process by which a /t/ phoneme before an unstressed vowel is pronounced as a flap consonant
  • Free flap, a surgical transfer of vascularised tissue
  • Flap, a minor character from Little Nemo: Adventures in Slumberland
    Little Nemo: Adventures in Slumberland
    Little Nemo: Adventures in Slumberland, known in Japan as simply Little Nemo, is an award-winning animated film directed by Masami Hata and William T. Hurtz. Loosely based on the comic strip Little Nemo in Slumberland by Winsor McCay, the film went through a lengthy development process with a...

  • Route flapping
    Route flapping
    In computer networking and telecommunications, route flapping occurs when a router alternately advertises a destination network via one route then another in quick sequence...

    , when a router alternately advertises a destination network first via one route then another
  • Brouhaha, a general state of social agitation
  • 5-lipoxygenase activating protein
    5-lipoxygenase activating protein
    5-Lipoxygenase activating protein, or FLAP, is an enzyme necessary for the activation of 5-lipoxygenase and therefore for the production of leukotrienes. It is bound to the nuclear membrane. FLAP is an integral membrane protein of the nucleus membrane...

     (FLAP)

See also

  • Flapper
    Flapper
    The term flapper in the 1920s referred to a "new breed" of young women who wore short skirts, bobbed their hair, listened to the new jazz music, and flaunted their disdain for what was then considered acceptable behavior...

    , a woman who wore a certain style of clothes in the 1920s
  • Flapping races, unlicensed horse rains in the UK and Ireland