noun (n)

• (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle(noun.phenomenon)

  source: wordnet30
• a rapid change in brightness; a brief spark or flash(noun.event)

  Synonym:
  sparkling, twinkle
  

  source: wordnet30
• a brilliant display of wit(noun.cognition)

  source: wordnet30
• the quality of shining with a bright reflected light(noun.attribute)

  Synonym:
  glisten, glister, glitter, sparkle
  

  source: wordnet30
• the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight(noun.attribute)

  source: wordnet30
• The act of scintillating.(noun)

  source: webster1913