An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



bow wave
  فرال-موج، موج ِ فرال  
farâl-mowj, mowj-e farâl
Fr.: onde de proue  

The wave which appears in front of a speeding boat and goes out behind it in a distinctive “V”. It is due to the fact that waves pile up on each other before they can move away.

See also:bow; → wave.