exciton
noun
ex·ci·ton
ˈek-sə-ˌtän 
-ˌsī-
: a mobile combination of an electron and a hole in an excited crystal (as of a semiconductor)
Examples of exciton in a Sentence
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The study authors focused on creating quasiparticles called exciton-polaritons.
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Rupendra Brahambhatt, Interesting Engineering, 16 May 2026
Now, under normal conditions, one photon excites one electron, creating a single unit of usable energy, known as an exciton.
—New Atlas, 13 Apr. 2026
Luis Jauregui The associate professor and director of UC Irvine’s Quantum Materials and Devices Lab, worked with post-doctoral student Jinyu Liu to discover a new state of matter – excitons.
—Todd Harmonson, Oc Register, 18 Dec. 2025
Instead of knocking excitons around, phonons in this molecule bind to them to create a new quasiparticle that flow freely through the semiconductor at twice the speed of electrons.
—IEEE Spectrum, 26 Dec. 2023
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Rupendra Brahambhatt, Interesting Engineering, 16 May 2026
Now, under normal conditions, one photon excites one electron, creating a single unit of usable energy, known as an exciton.
—New Atlas, 13 Apr. 2026
Luis Jauregui The associate professor and director of UC Irvine’s Quantum Materials and Devices Lab, worked with post-doctoral student Jinyu Liu to discover a new state of matter – excitons.
—Todd Harmonson, Oc Register, 18 Dec. 2025
Instead of knocking excitons around, phonons in this molecule bind to them to create a new quasiparticle that flow freely through the semiconductor at twice the speed of electrons.
—IEEE Spectrum, 26 Dec. 2023
Cite this Entry
“Exciton.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exciton. Accessed 20 May. 2026.
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