n. the generation of light by the application of an alternating current to a semiconductor or phosphor, or by an electric discharge through a gas
The Century Dictionary and Cyclopedia
n. Luminescence electrically excited, as by the discharge in a vacuum tube. See luminescence.
Word Usage
"Light-emitting diodes LEDs represent various types of semiconductor devices that produce incoherent narrow-spectrum light fascicles when powered with a steady-state voltage electrical source, producing the effect known as electroluminescence."