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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For example, colliding neutron stars can release enormous amounts of energy – and elements such as gold – on their way to forming black holes. Stephen L. Levy, The Conversation, 23 June 2025 Pulsars are rapidly spinning neutron stars that send out brief radio wave pulses at rapid intervals. Phil Plait, Scientific American, 15 May 2025 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 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 29 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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