An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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radiometric dating
  سن‌یابی ِ تابش‌سنجیک، ~ تابش‌سنجی  
senn yâbi-ye tâbeš-sanjik, ~ tâbeš-sanji
Fr.: datation radiométrique  

A dating method that uses measurements of certain radioactive isotopes to calculate the ages in years (absolute age) of rocks and minerals.

See also: → radiometer; → dating.