Definition of scintillation
1 : an act or instance of scintillating; especially : rapid changes in the brightness of a celestial body
2a : a spark or flash emitted in scintillatingb : 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
Recent Examples of scintillation from the Web
There’s no power pop this week, just sultry, seductive scintillation.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'scintillation'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of scintillation
Medical Definition of scintillation
: a flash of light produced in a phosphor by an ionizing event
Seen and Heard
What made you want to look up scintillation? Please tell us where you read or heard it (including the quote, if possible).