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.
This skin care technology (short for light-emitting diodes) looks straight out of a sci-fi movie, but there’s tangible science to back its benefits. Stacia Datskovska, Footwear News, 12 Dec. 2025 To demonstrate the potential of their nano-organic light-emitting diodes (OLEDs), the team formed the university’s logo from 2,800 individual diodes. Georgina Jedikovska, Interesting Engineering, 24 Nov. 2025 Universal Display -- The developer of organic light-emitting diode technology’s stock fell more than 13% after reporting disappointing third-quarter revenue, partially due to the impact of tariffs. Scott Schnipper, CNBC, 7 Nov. 2025 By now, most of us are familiar with the futuristic glow of LED face masks—those sci-fi-looking devices that promise better skin by way of red and blue light-emitting diodes. Conçetta Ciarlo, Vogue, 1 Oct. 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 15 Dec. 2025.

Kids Definition

light-emitting diode

noun
: LED

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