An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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characteristic age
  سن ِ سرشتاری  
senn-e sereštâri
Fr.: âge caractéristique  

Of a pulsar, a normalized period of rotation assumed to be a good approximation to pulsar’s true age.

See also: → characteristic; → age.