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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The lesser the spacing between quantum dots, the better the controllability and fidelity of the system. Ameya Paleja, Interesting Engineering, 26 May 2026 Hisense 58-Inch Smart TV Deal The Hisense QD50R delivers a premium visual experience with Hi-QLED quantum dot color, producing over 1 billion vibrant, true-to-life shades. Juhi Wadia, PC Magazine, 13 May 2026 To use one of these as a qubit, these electronics are used to load a single excess electron into the quantum dot. ArsTechnica, 8 May 2026 Sparrow designs and fabricates single photon laser sources using quantum dot expertise developed at the Niels Bohr Institute. Sabbir Rangwala, Forbes.com, 10 Mar. 2026 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 2 Jun. 2026.

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