An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



apofocus
  اپاکانون  
apâkânun
Fr.: apocentre  

The point on an elliptic orbit at the greatest distance from the principal focus. Also knwon as → apocenter.

Etymology (EN): From → apo- “away from, off,” + → focus.

Etymology (PE): From apâ-, → apo-, + kânunfocus.