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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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 Light therapy: These treatments aim blue or red LED (light-emitting diode) light or infrared light directly at acne to reduce breakouts. Cristina Mutchler, Verywell Health, 13 Mar. 2025 The new display tech is based on light-emitting diodes (LEDs), which make up the commercial displays with the smallest pixels and highest pixel density currently available. Michael Irving, New Atlas, 30 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 9 May. 2025.

Kids Definition

light-emitting diode

noun
: LED

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