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exciton

[ik-sahy-ton, ek-si-ton]
noun Physics.
  1. 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. 2018
British Dictionary definitions for exciton

exciton

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