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

Recent Examples on the Web

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

As a result, the state of the electrons in the wire influenced the capacitance of the quantum dot. —John Timmer, Ars Technica, 19 Feb. 2025

The Plus Series is the goldilocks option for value shoppers, offering quantum dots for vibrant colors and full-array local dimming for rich black levels. —Ryan Waniata, Wired News, 10 May 2025

Word History

First Known Use

1985, in the meaning defined above

Rhymes for quantum dot

• aeronaut
• aforethought
• afterthought
• apricot
• argonaut
• astronaut
• camelot
• coffeepot
• concordat
• cosmonaut
• entrepot
• flowerpot