neutron star

noun
Updated on: 14 Nov 2017

Definition of neutron star

:a dense celestial object that consists primarily of closely packed neutrons and that results from the collapse of a much larger stellar body

Recent Examples of neutron star from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neutron star.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of neutron star

1934


Learn More about neutron star


Seen and Heard

What made you want to look up neutron star? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

to praise usually to excess

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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