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light-emitting diode

[lahyt-i-mit-ing]

noun

  1. LED.

light-emitting diode

noun

  1. LED. 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

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

light-emitting diode

  1. See LED

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Word History and Origins

Origin of light-emitting diode1

First recorded in 1965–70

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