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

Because of their curious ability to transmute into photons in the presence of strong magnetic fields, any place that features strong fields—think neutron stars or even the solar corona—could produce extra radiation due to axions. —ArsTechnica, 25 June 2025

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

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