n.
Pronunciation: ˌ sin-t ə - ' l ā -sh ə n
Function: noun
Date: circa 1623
1 : an act or instance of scintillating especially : rapid changes in the brightness of a celestial body
2 a : a spark or flash emitted in scintillating b : a flash of light produced in a phosphor by an ionizing event
3 : a brilliant outburst (as of wit)
4 : a flash of the eye