Definition of LED in English:

LED

Pronunciation /ˌel ˌē ˈdē/ /ˌɛl ˌi ˈdi/

See synonyms for LED

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noun

  • A light-emitting diode (a semiconductor diode which glows when a voltage is applied)

    ‘light sources can be fluorescent tubes, optical fibers, or LEDs’
    • ‘an LED display’
    • ‘Companies are developing ways to use organic light-emitting diodes as a source for lighting up rooms.’
    • ‘Japanese scientists have proposed a solution to the puzzle of why blue light-emitting diodes are so bright.’
    • ‘Powerful light-emitting diodes have been shown to help heal wounds in laboratory animals and are now being tested on humans at the Medical College of Wisconsin.’

Origin

1960s abbreviation.