An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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ad hoc hypothesis
  انگاره‌ی ِ پدیم  
engâre-ye pad im
Fr.: hypothèse ad hoc  

Addition of adjustments to a theory to save it from being falsified by compensating for anomalies not anticipated by the theory in its unmodified form. Theories that rely on continual, ad hoc adjustments are distrusted.

See also: → ad hoc; → hypothesis.