See also: pass by

English

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Alternative forms

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Noun

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passby (plural passbys)

  1. An instance of one thing passing by another.
    • 1991, Harvey H. Hubbard, Aeroacoustics of Flight Vehicles: Noise control, page 55:
      [] a passby of a moving source. One must be careful to distinguish these from certain measures of total sound exposure received from a moving source during a passby event.
  2. (mining) A siding for coal tubs.