neutron star

noun

: a dense celestial object that consists primarily of closely packed neutrons and that results from the collapse of a much larger stellar body

Examples of neutron star in a Sentence

Recent Examples on the Web
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Gravitational waves are distortions in the fabric of space-time caused by the motion of massive objects like black holes or neutron stars. Sharmila Kuthunur, Space.com, 16 May 2025 Such interactions between black holes or neutron stars (compact remnants of exploded massive stars) can be studied through the deflection angle, the energy released through the near miss and the momentum of the objects’ recoil—all of which may be discerned in gravitational waves. Ramin Skibba, Scientific American, 13 May 2025 Researchers already had one potential explanation for heavy elements: collisions between neutron stars. Margherita Bassi, Smithsonian Magazine, 7 May 2025 They are more commonly associated with the collision of two neutron stars, or the merger of a neutron star and a black hole. Mohammed Soliman, MSNBC Newsweek, 28 Apr. 2025 See All Example Sentences for neutron star

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of neutron star was in 1934

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Cite this Entry

“Neutron star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron%20star. Accessed 2 Jul. 2025.

Kids Definition

neutron star

noun
: a very dense object in space that consists of closely packed neutrons and is produced by the collapse of a much larger star

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