To save this word, you'll need to log in.
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 Gravitational waves could help with the search for cosmic strings—putative enormous, superdense filamentary structures in space.
—
The Economist, "Gravitational astronomy proves its maturity," 22 Aug. 2019 And some macroscopic signatures of the theory that might have been seen, such as cosmic strings and supersymmetry, have not shown up.
—
Quanta Magazine, "Why Is M-Theory the Leading Candidate for Theory of Everything?," 18 Dec. 2017 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
See MoreThese 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.
Keep scrolling for more
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).
Test Your Vocabulary
Semantic Drift Quiz
- Which of the following was once a synonym for fun?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share cosmic string
Time Traveler for cosmic string
The first known use of cosmic string was in 1983
See more words from the same year