occurring with no delay

To burst forth into or as if into flame, To hang up a phone line momentarily, as when using call waiting, To reflect (light), noun_ A flashlight, Instantaneous illumination for photography, sudden burst of something regarded as resembling light in its effect, as color, wit, glee, energy, passion, etc; a short, vivid, and brilliant outburst; a momentary brightness or show, adjective_ Of or relating to photography using instantaneous illumination, Of or relating to figures of quarterly economic growth released by the government and subject to later revision, Happening suddenly or very quickl