'Coruscation' definitions:

Definition of 'coruscation'

noun

The occurrence of a small flash or spark [syn: glitter, sparkle, coruscation]

noun

A sudden or striking display of brilliance; "coruscations of great wit"

From: GCIDE

Coruscation \Cor`us*ca"tion\ (k?r`?s-k?"sh?n), n. [L. coruscatio: cf. F. coruscattion.]
1. A sudden flash or play of light. [1913 Webster]
A very vivid but exceeding short-lived splender, not to call ?t a little coruscation. --Boyle. [1913 Webster]
2. A flash of intellectual brilliancy. [1913 Webster]
He might have illuminated his times with the incessant cor??cations of his genius. --I. Taylor.
Syn: Flash; glitter; blaze; gleam; sparkle. [1913 Webster]