Definition of quantum mechanics

: a theory of matter that is based on the concept of the possession of wave properties by elementary particles, that affords a mathematical interpretation of the structure and interactions of matter on the basis of these properties, and that incorporates within it quantum theory and the uncertainty principle

called also wave mechanics

Other Words from quantum mechanics

quantum mechanical adjective
quantum mechanically adverb

Examples of quantum mechanics in a Sentence

Recent Examples on the Web Primarily, this theory hinges on a far-off advanced civilization’s ability to meld both quantum mechanics and gravity and subsequently identify and recreate all of the universe’s ingredients. Jennifer Leman, Popular Mechanics, 25 Apr. 2022 In the 1920s, too, von Neumann wrestled into sync two competing approaches to quantum mechanics, the emerging, probabilistic science of how energy and matter acted at the subatomic level. Samanth Subramanian, The New Republic, 8 Mar. 2022 The term quantum mechanics is first used in a paper by Max Born. Gil Press, Forbes, 14 Apr. 2022 Physics as a whole, not just quantum mechanics, is obviously incomplete. John Horgan, Scientific American, 10 Mar. 2022 These forces were strong enough to prevent the electron spilling and sloshing predicted by quantum mechanics. Quanta Magazine, 12 Aug. 2021 The relationship between quantum mechanics and artificial intelligence is also paying dividends in both directions. Quanta Magazine, 4 Feb. 2022 Parts of the Euler identity pop up in the solutions to differential equations, like in oscillating circuits, and the solutions to Schrödinger’s equation in quantum mechanics. Rhett Allain, Wired, 14 Mar. 2022 And those who are really intelligent in certain areas may pick up quantum mechanics or something high-level that the majority of us do not understand. Reenita Malhotra Hora, Rolling Stone, 24 Jan. 2022 See More

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

First Known Use of quantum mechanics

1922, in the meaning defined above

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Time Traveler for quantum mechanics

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The first known use of quantum mechanics was in 1922

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Dictionary Entries Near quantum mechanics

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quantum mechanics

quantum mutatus ab illo

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Statistics for quantum mechanics

Last Updated

29 Apr 2022

Cite this Entry

“Quantum mechanics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20mechanics. Accessed 18 May. 2022.

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More Definitions for quantum mechanics

quantum mechanics

noun, plural in form but singular or plural in construction

Medical Definition of quantum mechanics

: a theory of matter that is based on the concept of the possession of wave properties by elementary particles, that affords a mathematical interpretation of the structure and interactions of matter on the basis of these properties, and that incorporates within it quantum theory and the uncertainty principle

called also wave mechanics

Other Words from quantum mechanics

quantum mechanical adjective
quantum mechanically adverb

More from Merriam-Webster on quantum mechanics

Britannica.com: Encyclopedia article about quantum mechanics

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