Definition of quantum theory in English:

quantum theory

Syllabification: quan·tum the·o·ry

noun

Physics
A theory of matter and energy based on the concept of quanta, especially quantum mechanics.
More example sentences
  • It seems that many of us have a problem with quantum theory, but quantum theory, it has no problem with us!
  • Hardly was this feeling firmly established when physics was turned on its head by the twin revolutions of quantum theory and relativity theory.
  • Hardy highlights the crucial difference between classical probability theory and quantum theory.

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