Fr.: bianire semi-détachée
A binary system whose secondary member fills its Roche lobe but whose primary member does not.
→ semi-; detached, p.p. of detach, from O.Fr. destachier (Fr. détacher), from des- "apart," + -tachier (as in atachier "to attach"); → binary.
Dorin, → binary; nim-jodâ, from nim-→ semi- + jodâ "separate," from Mid.Pers. yut "separate, different;" Av. yuta- "separate, apart."