light-emitting diode

noun

light-emit·​ting diode ˈlīt-ē-ˈmi-tiŋ- How to pronounce light-emitting diode (audio)
: led

Examples of light-emitting diode in a Sentence

Recent Examples on the Web
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Organic light-emitting diode technology provides vibrant colors, stark contrast, and outstanding overall picture quality, which is good news for gamers and creatives. PC Magazine, 19 Sep. 2025 Over the past decade, the shift from electric light to electronic lighting—in the form of light-emitting diodes—has made the problem worse. IEEE Spectrum, 16 Sep. 2025 According to the team, the discovery could represent a significant step forward in developing advanced materials for next-generation solar cells and light-emitting diodes. Georgina Jedikovska, Interesting Engineering, 19 Aug. 2025 For the next 11 hours, a light-emitting diode on the 6-year-old German shorthaired pointer's collar became Schmitt’s guiding beacon through remote mountain terrain. Angelina Liu, People.com, 15 Aug. 2025 See All Example Sentences for light-emitting diode

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of light-emitting diode was in 1962

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Cite this Entry

“Light-emitting diode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light-emitting%20diode. Accessed 29 Sep. 2025.

Kids Definition

light-emitting diode

noun
: LED

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