n.
Function: noun
1 a sudden brief light FF1C; saw a flash sweep across the sky FF1E;
Synonyms: coruscation, glance, gleam, glimmer, glint, glisten, glitter, quiver, scintillation, shimmer, sparkle, twinkle
Related Words: blare, blaze, flame, flare, glare, glow; flicker; beam, ray
2
Synonyms: INSTANT 1, breathing, crack, ||jiff, jiffy, minute, moment, second, shake, split second
Idioms: half a second ( or shake), twinkling of an eye