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From Latin momentaneus. Compare French momentané.


momentaneous (not comparable)

  1. (grammar) Of or relating to a grammatical aspect relating to an action that takes place at a specific point in time.
  2. (archaic) momentary
    • 1827, John Claridge, The Shepherd of Banbury's Rules to Judge of the Changes of the Weather, Grounded on Forty Years' Experience[1]:
      Lightning is a great flame, very bright, extending every way to a great distance, suddenly darting upwards, there ending, so that it is only momentaneous.

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