quantum dot

noun

: a semiconductor nanocrystal exhibiting quantum mechanical effects that allow it to mimic the properties of an atom
The quantum dot is a semiconducting (or metallic) region so tiny that it is essentially confined in all three dimensions; like an atom, it contains a finite number of charges and has discrete energy levels.Barbara Goss Levi

Examples of quantum dot in a Sentence

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More recently, Samsung added quantum dots to OLED displays to create QD-OLED (though Samsung often refers to it as Quantum OLED). Parker Hall, Wired News, 3 July 2025 The Plus Series offers good brightness, solid contrast, and expansive quantum dot colors, all at a surprisingly low entry point. Ryan Waniata, WIRED, 17 July 2024 The curved 34-inch screen has a quantum dot OLED panel, giving it fantastic color accuracy, vibrance, and sharper blacks. Luke Larsen, Wired News, 25 June 2025 This model uses quantum dots for vibrant colors and supports Google TV, with a hands-free Google Assistant built in. Shubham Yewale, PC Magazine, 7 May 2025 See All Example Sentences for quantum dot

Word History

First Known Use

1985, in the meaning defined above

Time Traveler
The first known use of quantum dot was in 1985

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Cite this Entry

“Quantum dot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20dot. Accessed 29 Jul. 2025.

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