| English noun: binary star | |||
| 1. | binary star (object) a system of two stars that revolve around each other under their mutual gravitation | ||
| Synonyms | binary, double star | ||
| Broader (hypernym) | star | ||
| Instance hyponym | Aldebaran, Algol, Alpha Centauri, Altair, Antares, Beta Orionis, Canicula, Dog Star, Epsilon Aurigae, Procyon, Rigel, Rigil, Rigil Kent, Sirius, Sothis, Vega | ||