What is the meaning of scintillating?

verb

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

adjective

• Brilliantly clever.
  • usage: "scintillating wit"; "a play full of scintillating dialogue"
• Marked by high spirits or excitement.
  • usage: "his fertile effervescent mind"; "scintillating personality"; "a row of sparkly cheerleaders"
  • synonyms: bubbling, effervescent, frothy, sparkly
• Having brief brilliant points or flashes of light.
  • usage: "bugle beads all aglitter"; "glinting eyes"; "glinting water"; "his glittering eyes were cold and malevolent"; "shop window full of glittering Christmas trees"; "glittery costume jewelry"; "scintillant mica"; "the scintillating stars"; "a dress with sparkly sequins"; "`glistering' is an archaic term"
  • synonyms: aglitter, coruscant, fulgid, glinting, glistering, glittering, glittery, scintillant, sparkly