Definition of: electroluminescence

(i·lek′trō·l′mə·nes′·əns) noun
1. Light produced by the agency of electricity.
2. The emission of a soft, uniformly diffused light from phosphor powders embedded in the surface of a panel of glass or other insulating material which is directly subjected to the action of an alternating electric field.
—e·lec′tro·lu′mi·nes′cent adjective