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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
Scientists know that stellar corpses are densely packed with neutrons — one teaspoon of neutron star material would weigh as much as Mount Everest.
—Quanta Magazine, 6 Nov. 2024
The group calculated that approximately one in three gravitational waves of the right sort (neutron star collisions work best since their mergers last longer than black hole mergers) would make the bar ring with one quantum unit of energy.
—Charlie Wood, Quanta Magazine, 30 Oct. 2024
These systems are made up of the black hole and a secondary object like a star, much denser neutron star, or another black hole.
—Laura Baisas, Popular Science, 23 Oct. 2024
There are even proposals to use gravitational-wave signals from merging black holes and neutron stars.
—Marc Kamionkowski, Scientific American, 15 Oct. 2024
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Word History
First Known Use
1934, in the meaning defined above
Dictionary Entries Near neutron star
Cite this Entry
“Neutron star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron%20star. Accessed 24 Nov. 2024.
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
More from Merriam-Webster on neutron star
Thesaurus: All synonyms and antonyms for neutron star
Britannica.com: Encyclopedia article about neutron star
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