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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 That includes the light-emitting diodes, the circuit boards and the durable metal housing that protects the lights in news vans and on film sets. Laura J. Nelson, Los Angeles Times, 26 Apr. 2025 After years of companies promising that their quantum dot light-emitting diode TVs use quantum dots (QDs) to boost color, some industry watchers and consumers have recently started questioning whether QLED TVs use QDs at all. ArsTechnica, 31 Mar. 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 5 Sep. 2025.

Kids Definition

light-emitting diode

noun
: LED

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