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

The second scenario suggests a star or a smaller stellar body like a brown dwarf or even a planet could have encountered the immense gravitational influence of a black hole or a neutron star, resulting in a smaller, less powerful TDE-type event called a micro-tidal disruption event. —Robert Lea, Space.com, 9 Dec. 2025

Such a burst can be caused by a collision between a black hole and a dense object called a neutron star or—as in this case—by the death of a large star. —Clara Moskowitz, Scientific American, 9 Dec. 2025

If hypothetical scalar particles interact with nucleons, neutron stars would be perfect factories for them. —Rupendra Brahambhatt, Interesting Engineering, 6 Dec. 2025

Meanwhile, the corpses, which may become neutron stars, can then merge, producing the majority of the heaviest stable elements on our periodic table. —Big Think, 27 Nov. 2025

Word History

First Known Use

1934, in the meaning defined above

Rhymes for neutron star

• abattoir
• alcazar
• autocar
• avatar
• belshazzar
• caviar
• caviare
• cinnabar
• commissar
• condylar
• deodar
• handlebar

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