Emit or reflect light in a flickering manner. Synonyms:twinkle, winkle.
4.
Physics: fluoresce momentarily when struck by a charged particle or high-energy photon.
5.
Be lively or brilliant or exhibit virtuosity. Synonyms:coruscate, sparkle."A scintillating conversation" , "His playing coruscated throughout the concert hall"
... Beverley, Esquire, was undoubtedly in the ascendant; no such radiant orb had brightened the Fashionable Firmament since that of a certain Mr. Brummell had risen to scintillate a while ere it paled and vanished ... — The Amateur Gentleman • Jeffery Farnol et al
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