An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



semidetached binary
  دُرین ِ نیم-جدا  
dorin-e nim-jodâ
Fr.: bianire semi-détachée  

A binary system whose secondary member fills its Roche lobe but whose primary member does not.

Etymology (EN):semi-; detached, p.p. of detach, from O.Fr. destachier (Fr. détacher), from des- “apart,”

  • -tachier (as in atachier “to attach”); → binary.

Etymology (PE): Dorin, → binary; nim-jodâ, from nim-semi- + jodâ “separate,” from Mid.Pers. yut “separate, different;” Av. yuta- “separate, apart.”