Light-emitting diode
[lahyt-i-mit-ing] /ˈlaɪt ɪˌmɪt ɪŋ/
noun
1.
.
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
See LED.
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)
Read Also:
- Light-emitting resistor
electronics, humour (LER, from “light-emitting diode”) A resistor in the final stages of burning up. (Though intended as purely humorous, the term could sensibly describe the filament of a common incandescent electric light bulb). See also SED. (1996-02-06)
- Lighten
[lahyt-n] /ˈlaɪt n/ verb (used without object) 1. to become lighter or less dark; brighten: The sky lightened after the storm. 2. to brighten or light up, as the eyes or features: Her face lightened when she heard the good news. 3. to flash as or like lightning (often used impersonally with it as subject): […]
- Lightening
[lahyt-n-ing] /ˈlaɪt n ɪŋ/ noun, Medicine/Medical. 1. the descent of the uterus into the pelvic cavity, occurring toward the end of pregnancy, changing the contour of the abdomen and facilitating breathing by lessening pressure under the diaphragm. [lahyt-n] /ˈlaɪt n/ verb (used without object) 1. to become lighter or less dark; brighten: The sky lightened […]
- Lighterage
[lahy-ter-ij] /ˈlaɪ tər ɪdʒ/ noun 1. the use of in loading and unloading ships and in transporting goods for short distances. 2. a fee paid for service. /ˈlaɪtərɪdʒ/ noun 1. the conveyance or loading and unloading of cargo by means of a lighter 2. the charge for this service
- Lighter-fluid
noun 1. a combustible fluid used in cigarette, cigar, and pipe lighters.