binary star

noun

: 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 And the members of binary star systems tend to form near each other from a single cloud of material. John Timmer, Ars Technica, 16 Apr. 2024 The traditional picture of how hypervelocity stars are made begins with a binary star system. Alison Klesman, Discover Magazine, 14 Mar. 2019 Although binary stars are common, there are far more of these JuMBOs seen than expected, given previous observations of how planetary-mass objects form. Phil Plait, Scientific American, 20 Oct. 2023 Ironically, the Depression-era setting makes the film seem far less dated than other movies from 1973, and the binary star system at its center has lost not one photon of its luminescence. Ty Burr, Washington Post, 25 Dec. 2023 See all Example Sentences for binary star 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'binary star.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1826, in the meaning defined above

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

Dictionary Entries Near binary star

Cite this Entry

“Binary star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binary%20star. Accessed 2 Jul. 2024.

Kids Definition

binary star

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

More from Merriam-Webster on binary star

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!