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

Hubble’s images reveal an intricate web of gas and dust spreading outward from the explosion’s center, where a rapidly spinning neutron star remains. — Kaif Shaikh, Interesting Engineering, 15 Aug. 2026

After the explosion, Betelgeuse A will probably leave behind a superdense neutron star with an incredibly strong magnetic field. — Phil Plait, Scientific American, 14 Aug. 2026

Material spiraling toward a black hole can be heated to millions of degrees before crossing the event horizon, while neutron stars, supernova remnants and the enormous reservoirs of hot gas filling galaxy clusters also emit strongly in X-rays. — Samantha Mathewson, Space.com, 11 Aug. 2026

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