An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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amplitude
  دامنه  
dâmané (#)
Fr.: amplitude  

General:The greatness, size, or extent of something.
In any periodically varying function, the maximum absolute value of the quantity.
The magnitude range of a variable star.

Etymology (EN): L. amplitudo “wide extent, width,” from amplus “large”.

Etymology (PE): Dâmané “the foot or skirt of a mountain,” from dâman “skirt.”