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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.

See Examples For:

Their results, published in Nature Communications, provide strong new evidence of wave-particle duality in an unusual system.

From Science Daily ● Apr. 28, 2026

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

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

From Salon ● Apr. 20, 2021

These probabilistic limits on measurement are described by Heisenberg’s uncertainty principle, which connects wave-particle duality to the non-absolute properties of space and time.

From Textbooks ● Aug. 12, 2015

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

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