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)

excitonic

ˌek-sə-ˈtä-nik 

-ˌsī-

adjective

Examples of exciton in a Sentence

Recent Examples on the Web

The standard Keldysh model, widely used to describe excitons in two-dimensional materials, could not fully reproduce the experimental behavior by itself. — Rupendra Brahambhatt, Interesting Engineering, 5 July 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

Word History

Etymology

International Scientific Vocabulary excitation + -on entry 2

First Known Use

1936, in the meaning defined above

Rhymes for exciton

• enlighten
• brighten
• chitin
• frighten
• heighten
• lighten
• phaeton
• tighten
• titan
• triton
• whiten
• periphyton