An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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frequency shift
  کیب ِ بسامد  
kib-e basâmad
Fr.: décalage de fréquence  

The change in the frequency of a wave motion due to the → Doppler effect.

See also: → frequency; → shift.