string theory

noun

: a theory in physics: all elementary particles are manifestations of the vibrations of one-dimensional strings

Examples of string theory in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In addition, knots have many applications, ranging from string theory in physics to DNA recombination in biology to chirality in chemistry. John Etnyre, The Conversation, 26 Feb. 2025 Others around the world have also joined the effort, including Edward Witten of IAS, a figure who has towered over quantum gravity and string theory for decades but who tends to avoid the Wild West of quantum cosmology. Edgar Shaghoulian, Scientific American, 1 Sep. 2022 But a branch of physics called string theory suggests that the universe has many more dimensions than four. John Etnyre, The Conversation, 26 Feb. 2025 But another idea called string theory also proposes a series of particles with the same mathematical structure as the original axion; these particles have come to be called axionlike. Chanda Prescod-Weinstein, Scientific American, 1 Apr. 2022 See All Example Sentences for string theory

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of string theory was in 1973

Browse Nearby Words

Cite this Entry

“String theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/string%20theory. Accessed 13 Apr. 2025.

More from Merriam-Webster on string theory

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!