cosmic string


Definition of cosmic string

: any of a class of hypothetical supermassive astronomical objects that are extremely thin but are millions of light years long and that are postulated to have formed very early in the history of the universe

Examples of cosmic string in a Sentence

Recent Examples on the Web

Wormholes, black holes, cosmic strings, and circulating light beams have all been suggested as potential solutions for time-traveling to the past. Matt Blitz, Popular Mechanics, "We Already Know How To Build a Time Machine," 28 May 2018

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

First Known Use of cosmic string

1983, in the meaning defined above

Keep scrolling for more

Learn More about cosmic string

Statistics for cosmic string

Look-up Popularity

Time Traveler for cosmic string

The first known use of cosmic string was in 1983

See more words from the same year

More from Merriam-Webster on cosmic string

Rhyming Dictionary: Words that rhyme with cosmic string Encyclopedia article about cosmic string

Comments on cosmic string

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


highly pertinent or appropriate

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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

Love words? Need even more definitions?

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