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wave-particle duality

American  
[wayv-pahr-ti-kuhl-doo-al-i-tee] / ˈweɪvˈpɑr tɪ kəl duˈæl ɪ ti /

noun

  1. Physics. in quantum mechanics, the principle that fundamental physical entities such as electrons and photons behave both as waves and as particles.


wave-particle duality Scientific  
  1. The exhibition of both wavelike and particlelike properties by a single entity. For example, electrons undergo diffraction and can interfere with each other as waves, but they also act as pointlike masses and electric charges. The theory of quantum mechanics is a attempt to explain these apparently contradictory properties exhibited by matter.

  2. See also complementarity


wave-particle duality Cultural  
  1. In quantum mechanics, the condition that allows every quantum to appear like a wave in some experiments and like an elementary particle in others.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You don’t need a master’s in wave-particle duality to enjoy the cosmic playground of coincidence and fate that Kröger has in mind.

From Los Angeles Times • Oct. 11, 2024

It involves harnessing the properties of light, such as its wave-particle duality, to induce interference patterns, enabling the encoding and processing of quantum information.

From Science Daily • Apr. 19, 2024

The wave-particle duality reveals the queer, nonbinary nature of quantum mechanics.⁠

From Salon • Apr. 20, 2021

It clearly demonstrates the fundamental strangeness of quantum mechanics: that light, and matter as well, is in fact both a particle and a wave—a concept known as wave-particle duality.

From Scientific American • Jan. 8, 2020

In fact, they had encountered the same wave-particle duality of light that was confounding their elders in physics.

From "Big Science" by Michael Hiltzik