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quantum theory
noun
1
: a theory in physics based on the concept of the subdivision of radiant energy into finite quanta and applied to numerous processes involving transference or transformation of energy in an atomic or molecular scale
Examples of quantum theory in a Sentence
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Among those was providing the proper way to include gravity in the quantum theory of subatomic particles.
—Tom Siegfried, Discover Magazine, 29 Nov. 2024
Figueiredo’s coincidence helped unify three different quantum theories under a new mathematical umbrella.
—Charlie Wood, WIRED, 3 Nov. 2024
The book covers complex ideas about space, time, black holes and quantum theory.
—Ashlyn Messier, Fox News, 29 Oct. 2023
Those LLMs cannot give a truly accurate and complete—and short—answer to a complex question any more than a physics professor can explain the fullness and the intricacies of quantum theory or general relativity 100% accurately in a few sentences to a general audience.
—Tor Constantino, Mba, Forbes, 4 Nov. 2024
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Word History
First Known Use
1912, in the meaning defined at sense 1
Dictionary Entries Near quantum theory
Cite this Entry
“Quantum theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20theory. Accessed 22 Dec. 2024.
Kids Definition
quantum theory
noun
: a theory in physics based on the idea that radiant energy (as light) is composed of small separate packets of energy
Medical Definition
quantum theory
noun
: a theory in physics based on the concept of the subdivision of radiant energy into finite quanta and applied to numerous processes involving transference or transformation of energy in an atomic or molecular scale
More from Merriam-Webster on quantum theory
Nglish: Translation of quantum theory for Spanish Speakers
Britannica.com: Encyclopedia article about quantum theory
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