ex·ci·ton 
(ĕksĭ-tŏn′, -sī-)
(ĕksĭ-tŏn′, -sī-)n.
An electrically neutral excited state of an insulator or semiconductor, often regarded as a bound state of an electron and a hole.
[EXCIT(ATION) + -ON1.]
- mine detector
- minefield
- minelayer
- miner
- mineral
- mineralizable
- mineralization
- mineralize
- mineralizer
- mineral kingdom
- mineralocorticoid
- mineralogical
- mineralogically
- mineralogist
- mineralogy
- mineral oil
- mineral tar
- mineral water
- mineral wax
- mineral wool
- miner's lettuce
- Minerva
- mineshaft
- minestrone
- minesweeper