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
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Some 30 years ago, the mathematician Peter Shor took a niche physics project — the dream of building a computer based on the counterintuitive rules of quantum mechanics — and shook the world.
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Quanta Magazine, 3 Apr. 2026
Superposition and entanglement are aspects of quantum mechanics that most of us find weird and counterintuitive.
—Joseph Howlett, Scientific American, 31 Mar. 2026
Quantum computing uses the principles of quantum mechanics to process information in ways classical computers cannot, with potential applications spanning across drug discovery, materials science, cryptography and more.
—Dylan Butts,matthew Chin, CNBC, 30 Mar. 2026
This is called the many-worlds view of quantum mechanics.
—Zachary Slepian, The Conversation, 30 Mar. 2026
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Quanta Magazine, 3 Apr. 2026
Superposition and entanglement are aspects of quantum mechanics that most of us find weird and counterintuitive.
—Joseph Howlett, Scientific American, 31 Mar. 2026
Quantum computing uses the principles of quantum mechanics to process information in ways classical computers cannot, with potential applications spanning across drug discovery, materials science, cryptography and more.
—Dylan Butts,matthew Chin, CNBC, 30 Mar. 2026
This is called the many-worlds view of quantum mechanics.
—Zachary Slepian, The Conversation, 30 Mar. 2026
See All Example Sentences for quantum mechanics
Cite this Entry
“Quantum mechanics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20mechanics. Accessed 5 Apr. 2026.
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