An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



bound-free transition
  گذرش ِ بندیده-آزاد  
gozareš-e bandidé-âzâd
Fr.: transition liée-libre  

A transition in which a bound electron is liberated. → free-bound emission; → free-free emission.

See also: Bound, p.p. of → bind;
free.