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.

Origin of exciton

1935–40; excit(ed) or excit(ation) + -on1

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