flapping vs flutter what difference

what is difference between flapping and flutter



  • IPA(key): /ˈflæpɪŋ/
  • Rhymes: -æpɪŋ


flapping (not comparable)

  1. that flaps or flap


flapping (countable and uncountable, plural flappings)

  1. An instance where one flaps.
  2. (phonology) A phonological process found in many dialects of English, especially American English and Canadian English, by which intervocalic /t/ and /d/ surface as the alveolar flap /ɾ/ before an unstressed syllable, so that words such as “metal” and “medal” are pronounced similarly or identically.
  3. (computing, telecommunications) The situation where a resource, a network destination, etc., is advertised as being available and then unavailable (or available by different routes) in rapid succession.



  1. present participle of flap

See also

  • flapping on Wikipedia.Wikipedia



From Middle English floteren, from Old English floterian, flotorian (to float about, flutter), from Proto-Germanic *flutrōną, frequentative of Proto-Germanic *flutōną (to float), equivalent to float +‎ -er (frequentative suffix). Cognate with Low German fluttern, fluddern (to flutter), German flittern, Dutch fladderen; also Albanian flutur (butterfly). More at float.


  • (General American) IPA(key): /ˈflʌtɚ/, [ˈflʌɾɚ]
  • (Received Pronunciation) IPA(key): /ˈflʌtə/
  • Rhymes: -ʌtə(ɹ)


flutter (third-person singular simple present flutters, present participle fluttering, simple past and past participle fluttered)

  1. (intransitive) To flap or wave quickly but irregularly.
  2. (intransitive) Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.
  3. (intransitive, aerodynamics) To undergo divergent oscillations (potentially to the point of causing structural failure) due to a positive feedback loop between elastic deformation and aerodynamic forces.
  4. (transitive) To cause something to flap.
  5. (transitive) To drive into disorder; to throw into confusion.
  6. (intransitive) To be in a state of agitation or uncertainty.
  7. (intransitive, obsolete) To be frivolous.
  8. (espionage, slang) To subject to a lie detector test.
    • 1978, Edward Jay Epstein, Legend: The Secret World of Lee Harvey Oswald (page 38)
      This was the first time that Nosenko had been subjected to a lie detector — or what the CIA called fluttering. The Soviet Union did not use such devices for interrogation.
    • 2002, Paul Eddy, Flint’s Law (page 90)
      “Anyway, she cracked and we fluttered her and—”
      Fluttered her?”
      “Sorry, gave her a polygraph, a lie detector test. And she passed, more or less, []



flutter (countable and uncountable, plural flutters)

  1. The act of fluttering; quick and irregular motion.
    • c. 1838, Richard Monckton Milnes, The Forest
      the chirp and flutter of some single bird
  2. A state of agitation.
    • flutter of spirits
    • 1900, Henry James, The Soft Side The Third Person Chapter 3
      Their visitor was an issue – at least to the imagination, and they arrived finally, under provocation, at intensities of flutter in which they felt themselves so compromised by his hoverings that they could only consider with relief the fact of nobody’s knowing.
  3. An abnormal rapid pulsation of the heart.
  4. (uncountable, aerodynamics) An extremely dangerous divergent oscillation caused by a positive feedback loop between the elastic deformation of an object and the aerodynamic forces acting on it, potentially resulting in structural failure.
  5. (Britain) A small bet or risky investment.
    • 30 July, 2009, Eurosport, Gray Matter: How will Schu do?
      So with his victory odds currently at 14/1 or 3/1 for the podium, he’s still most certainly well worth a flutter []
  6. A hasty game of cards or similar.
  7. (audio, electronics) The rapid variation of signal parameters, such as amplitude, phase, and frequency.
    Coordinate term: wow

Derived terms

  • aflutter
  • flutter in the dovecote
  • flutterby
  • fluttersome
  • fluttery


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