binary star

1. 1.

   a system of two stars that revolve around each other under their mutual gravitation

   Synonymsbinarydouble star

   Broaderstar

   NarrowerAldebaranAlgolAlpha CentauriAltairAntaresEpsilon AurigaeProcyonRigelSiriusVega

Questions about binary star

What does binary star mean?

binary star means "a system of two stars that revolve around each other under their mutual gravitation".

What is another word for binary star?

Close synonyms include binary, double star. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is binary star a common word?

binary star is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.