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double star. In DICTIOUS you will not only get to know all the dictionary meanings for the word
double star, but we will also tell you about its etymology, its characteristics and you will know how to say
double star in singular and plural. Everything you need to know about the word
double star you have here. The definition of the word
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English
Noun
double star (plural double stars)
- (astronomy) Two stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a binary star.
- (astronomy) 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).
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References
- "double star" in the Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.
- Random House Webster's Unabridged Electronic Dictionary, 1987-1996.