Flash

Ausbruch

(sudden and brilliant burst)

Blitz

(burst of light)

Blitz

(short for camera flash)

Blitzeseile

(very short amount of time)

Einfall

(sudden and brilliant burst)

Grat

(material left around the edge of a moulded part)

Nu

(very short amount of time)

blinken

(to blink)

flashen

(computing: to write to the memory of an updatable component)