quantum theory

noun

Definition of quantum theory

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

Recent Examples on the Web Today, in a great convergence, ecological science, evolutionary theory, quantum theory, Indigenous wisdom and the religions of the world are all telling us that the story told by the mechanistic worldview is too small. Kathleen Dean Moore, The Conversation, 20 Oct. 2021 Solving the information paradox quickly came to be seen as a route to discovering the true, quantum theory of gravity, which general relativity approximates well everywhere except black holes. Quanta Magazine, 23 Aug. 2021 Rather, quantum theory necessitates probabilistic outcomes that live between 0 and 1, so to speak. Courtney Linder, Popular Mechanics, 23 Aug. 2021 But the British mathematical physicist Roger Penrose has suggested that at intermediate scales, when quantum theory collides with general relativity, the latter will win, destroying quantum effects. Quanta Magazine, 18 Aug. 2021 This is the idea that Wigner's predictions, based on his application of quantum theory, are empirically correct. Courtney Linder, Popular Mechanics, 23 Aug. 2021 These questions have been around throughout the century-long history of quantum theory. Quanta Magazine, 18 Aug. 2021 However, the situation here is more complicated due to the deep randomness of quantum theory. Charlie Wood, Wired, 4 July 2021 However, the situation here is more complicated due to the deep randomness of quantum theory. Charlie Wood, Wired, 4 July 2021

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

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First Known Use of quantum theory

1912, in the meaning defined at sense 1

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Time Traveler for quantum theory

Time Traveler

The first known use of quantum theory was in 1912

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Dictionary Entries Near quantum theory

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quantum theory

quantum unit of spin

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Last Updated

28 Oct 2021

Cite this Entry

“Quantum theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20theory. Accessed 27 Nov. 2021.

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More Definitions for quantum theory

quantum theory

noun

English Language Learners Definition of quantum theory

: a theory in physics that is based on the idea that energy (such as light) is made of small separate units of energy

quantum theory

noun

Medical Definition of quantum theory

: 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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