quantum mechanics

noun

plural in form but singular or plural in construction
: 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

quantum mechanical adjective
quantum mechanically adverb

Examples of quantum mechanics in a Sentence

Recent Examples on the Web
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Many wellness trends reflect a desire for another, contrarian account of the inner workings of the human body and mind—just what quantum mechanics provides for the inner workings of the physical world. Shayla Love, The Atlantic, 11 Oct. 2024 Quantum computing harnesses quantum mechanics, the study of how particles behave at the atomic and subatomic level, to process information in fundamentally different ways than even the most powerful classical computer. Leslie Katz, Forbes, 4 Oct. 2024 That’s because the CFT never fails to give sensible answers, whereas in the bulk, certain thought experiments involving gravity and quantum mechanics appear to lack meaningful outcomes. Charlie Wood, Quanta Magazine, 25 Sep. 2024 The idea that two fundamental scientific mysteries—the origin of consciousness and the collapse of what is called the wave function in quantum mechanics—are related, triggered enormous excitement. Hartmut Neven, Scientific American, 8 Aug. 2024 See all Example Sentences for quantum mechanics 

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of quantum mechanics was in 1922

Dictionary Entries Near quantum mechanics

Cite this Entry

“Quantum mechanics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20mechanics. Accessed 5 Nov. 2024.

Medical Definition

quantum mechanics

noun, plural in form but singular or plural in construction
: 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

quantum mechanical adjective
quantum mechanically adverb

More from Merriam-Webster on quantum mechanics

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