follow Dictionary.com

What is the X in X-mas?

exciton

[ik-sahy-ton, ek-si-ton] /ɪkˈsaɪ tɒn, ˈɛk sɪˌtɒn/
noun, Physics.
1.
a localized, mobile excited state of a crystal, consisting of an electron and a hole bound together.
Origin
1935-1940
1935-40; excit(ed) or excit(ation) + -on1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for exciton
  • Once on the surface, some of the exciton energy is channeled into desorption of neutral oxygen atoms at high speed.
British Dictionary definitions for exciton

exciton

/ˈɛksaɪˌtɒn/
noun
1.
a mobile neutral entity in a crystalline solid consisting of an excited electron bound to the hole produced by its excitation
Word Origin
C20: from excit(ation) + -on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Encyclopedia Article for exciton

the combination of an electron and a positive hole (an empty electron state in a valence band), which is free to move through a nonmetallic crystal as a unit

Learn more about exciton with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for exciton

Some English speakers likely know this word

Word Value for exciton

16
18
Scrabble Words With Friends