CORUSCATION
coruscation
(noun) a sudden or striking display of brilliance; “coruscations of great wit”
glitter, sparkle, coruscation
(noun) the occurrence of a small flash or spark
Source: WordNet® 3.1
Noun
coruscation (countable and uncountable, plural coruscations)
A sudden display of brilliance; a flashing of light; a sparkle.
Source: Wiktionary
Cor`us*ca"tion (kr`s-k"shn), n. Etym: [L. coruscatio: cf. F.
coruscattion.]
1. A sudden flash or play of light.
A very vivid but exceeding short-lived splender, not to call
coruscation. Boyle.
2. A flash of intellectual brilliancy.
He might have illuminated his times with the incessant cor of his
genius. I. Taylor.
Syn.
– Flash; glitter; blaze; gleam; sparkle.
Source: Webster’s Unabridged Dictionary 1913 Edition