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quantum electrodynamics

noun, plural in form but usually singular in construction

Definition of quantum electrodynamics

: quantum mechanics applied to electrical interactions (as between nuclear particles)

Examples of quantum electrodynamics in a Sentence

Recent Examples on the Web

 Through the work of Feynman, Dyson, Julian Schwinger and Sin-Itiro Tomonaga, a new and improved theory of quantum electrodynamics was born. — Quanta Magazine, "How Feynman Diagrams Revolutionized Physics," 14 May 2019

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

First Known Use of quantum electrodynamics

1927, in the meaning defined above

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More from Merriam-Webster on quantum electrodynamics

Britannica.com: Encyclopedia article about quantum electrodynamics

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