light-emitting diode

[lahyt-i-mit-ing] /ˈlaɪt ɪˌmɪt ɪŋ/
noun
1.
LED.
Origin
1965-70
Examples from the web for light-emitting diode
  • The microcircuitry only is enough to support one light-emitting diode.
  • When this current returns to the box, it's amplified and used to turn a red light-emitting diode on and off.
British Dictionary definitions for light-emitting diode

light-emitting diode

noun
1.
a diode of semiconductor material, such as gallium arsenide, that emits light when a forward bias is applied, the colour depending on the semiconductor material: used as off/on indicators LED
light-emitting diode in Science
light-emitting diode  
See LED.
light-emitting diode in Technology

electronics
(LED) a type of diode that emits light when current passes through it. Depending on the material used the colour can be visible or infrared. LEDs have many uses, visible LEDs are used as indicator lights on all sorts of electronic devices and in moving-message panels, while infrared LEDs are the heart of remote control devices.
See also smoke-emitting diode.
(1996-01-05)