Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
Two stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a binary star.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Two stars that appear to be one when seen with the naked eye, either because they orbit one another (binary stars) or happen to be in the same line of sight even though they are separated by a great distance (optical binaries).
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a system of two stars that revolve around each other under their mutual gravitation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: binary star, binary
Antonyms: none provided
Broader terms: star
Narrower terms: Aldebaran, Algol, Alpha Centauri, Rigil Kent, Rigil, Altair, Antares, Epsilon Aurigae, Procyon, Rigel, Beta Orionis, Sirius, Dog Star, Canicula, Sothis, Vega
History
No etymology was provided for this word.
Across languages
18 source translations are retained for this English entry.
