Definition of scintillescent in US English:

scintillescent

adjective

  • That scintillates (literal and figurative); sparkling, scintillating.

Origin

Mid 19th century; earliest use found in Edward Robert Bulwer-Lytton (1831–1891), viceroy of India and poet. Irregularly from classical Latin scintillāre scintillate + -escent.

Pronunciation

scintillescent

/ˌsɪntɪˈlɛsnt/