(archaic) X-ray radiation

(historical) A signal made by burning lights of different colours, used by vessels at sea, and in the life-saving service.

The state or quality of being light-handed.

In a light-handed manner.

affected by, or sensitive to light. / (of substances and surfaces) changing chemically or physically when exposed to light.

Alternative spelling of tealight

An unexplained light sometimes seen in the Hessdalen valley in Norway.

A scientific instrument which provides a magnified view of very small objects that are illuminated with visible light which then passes through optical lenses.

Alternative spelling of lightskirt

plural of light-skirt