binary star

noun

Synonyms of binary starnext
: a system of two stars that revolve around each other under their mutual gravitation

Examples of binary star in a Sentence

Recent Examples on the Web
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Meanwhile, the binary stars' own orbits also precess due the rules of general relativity. Stefanie Waldek, Space.com, 16 Feb. 2026 Situated some 3,000 light-years away in the constellation Corona Borealis is a binary star system poised for a rare thermonuclear display. Michael D'estries, Travel + Leisure, 15 Feb. 2026 However, in reality, planets orbiting binary stars are surprisingly rare. Rupendra Brahambhatt, Interesting Engineering, 31 Jan. 2026 But when a binary star about to go supernova threatens the planet Adjumir, Maw’s beloved Gebre entrusts him with an artifact and the order to leave him behind. Literary Hub, 3 Nov. 2025 See All Example Sentences for binary star

Word History

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of binary star was in 1826

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Cite this Entry

“Binary star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binary%20star. Accessed 22 Feb. 2026.

Kids Definition

binary star

noun
: a system of two stars that revolve around each other under the gravitation of both

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