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)

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Example Sentences

Recent Examples on the Web In this system, the entire region of spacetime is built out of interactions between the components of the quantum system in the conformal field theory. Adam Becker, Scientific American, 20 Jan. 2022 The couple, working with Luftwerk, a Chicago studio that does large-scale projects for public buildings, added a huge interior light installation inspired by Netsch’s field theory. J.s. Marcus, WSJ, 8 Dec. 2021 Quantum field theory depicts discrete particles as excitations in continuous fields that stretch across space and time. Thomas Lewton, Wired, 1 Aug. 2021 His textbooks on quantum field theory were a godsend, and his perspectives on the inevitability of quantum field theory and on effective field theory formed the foundation of my picture of the world. Quanta Magazine, 12 Aug. 2021 Quantum field theory depicts discrete particles as excitations in continuous fields that stretch across space and time. Thomas Lewton, Wired, 1 Aug. 2021 Quantum field theory depicts discrete particles as excitations in continuous fields that stretch across space and time. Thomas Lewton, Wired, 1 Aug. 2021 Quantum field theory depicts discrete particles as excitations in continuous fields that stretch across space and time. Thomas Lewton, Wired, 1 Aug. 2021 Polyakov’s Liouville field theory is one such example. Charlie Wood, Wired, 4 July 2021 See More

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

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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 7 Oct. 2022.

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