An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Abbe number
  عدد ِ آبه  
adad-e Abbe
Fr.: nombre d'Abbe  

The reciprocal of the → dispersive power of a substance. Also known as constringence.

See also: → Abbe sine condition; → number.