scintillate -- (give off; "the substance scintillated sparks and flashes")
sparkle, scintillate, coruscate -- (reflect brightly; "Unquarried marble sparkled on the hillside")
twinkle, winkle, scintillate -- (emit or reflect light in a flickering manner; "Does a constellation twinkle more brightly than a single star?")
scintillate -- (physics: fluoresce momentarily when struck by a charged particle or high-energy photon; "the phosphor fluoresced")
sparkle, scintillate, coruscate -- (be lively or brilliant or exhibit virtuosity; "The musical performance sparkled"; "A scintillating conversation"; "his playing coruscated throughout the concert hall")
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