Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
binary star | Yes | No | No | No |
Algol | Yes | No | No | No |
binary star (noun) | Algol (noun) |
---|---|
a system of two stars that revolve around each other under their mutual gravitation | the second brightest star in Perseus; the first known eclipsing binary |