n.
Pronunciation: ' ek-s ə - ˌ tän, - ˌ s ī -
Function: noun
Etymology: International Scientific Vocabulary excit ation + 2 -on
Date: 1936
: a mobile combination of an electron and a hole in an excited crystal (as of a semiconductor)
– ex · ci · ton · ic \ ˌ ek-s ə - ' tä-nik, - ˌ s ī - \ adjective