What is "source of illumination"

Usage examples of "source of illumination".

A few more passages brought them into sight of a distant, pale source of illumination.

It became more and more pink, like blood in water, as the sun slid beyond the horizon and the main source of illumination became the flickering pink lightning from the ice storms above in Cloudland.

In fact the chief source of illumination in the Sword-chamber at the moment was the indirect glow of the Old World lamp still burning two rooms away.

There was a light source somewhere in there, soft white light coming from within a toilet cubicle, the direct source of illumination blocked by a half-opened door occupying the same space as a desk.

The Lizard man closed both hands over his pouch of light stones, shutting off even that small source of illumination.

Although all available lights were on, her computer screen was still the brightest source of illumination in the entire entryway.

A small lamp on the wall above the bed was the only source of illumination.

Both fireplaces had been lighted against the slight chill in the air and as the main source of illumination.

A second source of illumination came from the room's west-facing window, for even from halfway across the city, the wild glow of Narbondel could be clearly seen.