exciton

[ ik-sahy-ton, ek-si-ton ]
/ ɪkˈsaɪ tɒn, ˈɛk sɪˌtɒn /

noun Physics.

a localized, mobile excited state of a crystal, consisting of an electron and a hole bound together.

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Origin of exciton

1935–40; excit(ed) or excit(ation) + -on1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for exciton

exciton
/ (ˈɛksaɪˌtɒn) /

noun

a mobile neutral entity in a crystalline solid consisting of an excited electron bound to the hole produced by its excitation

Word Origin for exciton

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