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