It can spotlight an object or spread out the light for general illumination.

The general illumination was consequently of a sickly kind, rather better for imagining things than actually seeing them.

Phædrus did not try to use his brilliance for general illumination.

The main use of these lamps, which can be considered the first commercially successful fluorescents, was for advertising, not general illumination.

Yet the general illumination surrounding us approximated that of a very slightly hazy Earth day.

They produce a beam with a central bright area and a diffuse general illumination around it.

These provide general illumination while concealing their light sources, which are responsible for the reflection.

The single overhead light faded and a general illumination flooded the cabin.

The table on the right held two lamps, one for general illumination and a second for a bright light on the page.

It split into three, and he took the central passage, small lights gave a dim general illumination.