E1X8C3I1T1O1N1
16 points
EXCITON is validvalid
a phenomenon occurring in an excited crystal [n EXCITONS]
a mobile combination of an electron and a hole in an excited crystal, as of a semiconductor [n -S]
a phenomenon occurring in an excited crystal [n EXCITONS]
a mobile combination of an electron and a hole in an excited crystal, as of a semiconductor [n -S]