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1. Give off
   "the substance scintillated sparks and flashes"
    
2. Reflect brightly
   - sparkle, coruscate, glister []
    
3. Emit or reflect light in a flickering manner
   - twinkle, winkle
    
4. Physics: fluoresce momentarily when struck by a charged particle or high-energy photon
    
5. Be lively or brilliant or exhibit virtuosity
   "A scintillating conversation"
   - sparkle, coruscate, glister []

Derived forms: scintillated, scintillates, scintillating

See also: scintilla, scintillant, scintillation

Type of: be, beam, emit, fluoresce, give off, give out, reflect, shine

Encyclopedia: Scintillate