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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By using the concepts of quantum mechanics to execute operations at previously unheard-of speeds and efficiency, quantum computing is revolutionizing industries and changing the technological landscape. Rohan Pinto, Forbes, 20 Nov. 2024 The challenge for theorists is to find ways to unite the disparate theories of relativity and quantum mechanics in a theory of ‘loop’ quantum gravity that correctly predicts observations. The Physics Arxiv Blog, Discover Magazine, 31 July 2024 Quantum information theorists like me think about quantum mechanics as a theory of information principles rather than a theory of forces. William Mark Stuckey, The Conversation, 30 July 2024 Nima Arkani-Hamed of the Institute for Advanced Study has spent more than a decade developing a new mathematical language for describing quantum physics that doesn’t directly refer to space, time, or quantum mechanics. Charlie Wood, WIRED, 3 Nov. 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 30 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

Last Updated: - Updated example sentences
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