quantum theory
noun
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
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So a more universal theory that can predict that fate—very likely a quantum theory—must take over.
—
Charlie Wood, Wired News, 20 July 2025
The continent that once gave birth to quantum theory—through Planck, Einstein, Schrödinger and Heisenberg—now risks being sidelined in the quantum age.
—Markus Pflitsch, Forbes.com, 24 June 2025
But in 1939, Markus Fierz proved that both are consequences of the mathematical structure of quantum theory, a connection now known as the spin-statistics theorem.
—Matt Von Hippel, Quanta Magazine, 23 June 2025
The Real Singularity But Bousso’s theorem still doesn’t tell us exactly what form singularities will take at the core of the onion — that is, in the ultimate quantum theory of gravity.
—Charlie Wood, Quanta Magazine, 27 May 2025
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Charlie Wood, Wired News, 20 July 2025
The continent that once gave birth to quantum theory—through Planck, Einstein, Schrödinger and Heisenberg—now risks being sidelined in the quantum age.
—Markus Pflitsch, Forbes.com, 24 June 2025
But in 1939, Markus Fierz proved that both are consequences of the mathematical structure of quantum theory, a connection now known as the spin-statistics theorem.
—Matt Von Hippel, Quanta Magazine, 23 June 2025
The Real Singularity But Bousso’s theorem still doesn’t tell us exactly what form singularities will take at the core of the onion — that is, in the ultimate quantum theory of gravity.
—Charlie Wood, Quanta Magazine, 27 May 2025
See All Example Sentences for quantum theory
Cite this Entry
“Quantum theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20theory. Accessed 29 Jul. 2025.
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