field theory

noun

: any theory in physics consisting of a detailed mathematical description of the assumed physical properties of a region under some influence (such as gravitation)

Examples of field 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 this case, the ripples follow a symmetric theory known as a conformal field theory or CFT. Quanta Magazine, 25 Sep. 2024 From the flat perspective, the universe is made up only of particles obeying a quantum theory known as a conformal field theory (that’s the CFT of AdS/CFT). Charlie Wood, Quanta Magazine, 25 Sep. 2024 Quantum field theory, the powerful framework of modern particle physics, says the universe is filled with fields. Matt Strassler, Quanta Magazine, 3 Sep. 2024 Not everything can carry over — for instance, in the number theory and function field settings, there is no counterpart to the conformal field theory ideas that enabled researchers to construct special eigensheaves in the geometric setting. Erica Klarreich, Quanta Magazine, 19 July 2024 See all Example Sentences for field theory 

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of field theory was in 1922

Dictionary Entries Near field theory

Cite this Entry

“Field theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/field%20theory. Accessed 2 Dec. 2024.

More from Merriam-Webster on field 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!