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 collisions of compact astrophysical objects such as black holes and neutron stars emit strong gravitational waves. Gaurav Khanna, The Conversation, 15 May 2024 But the recent observation was the first between a mass-gap object and a neutron star. Isaac Schultz / Gizmodo, Quartz, 7 Apr. 2024 See all Example Sentences for neutron star 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'neutron star.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of neutron star was in 1934

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 1 Jun. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!