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.
Choose efficient lighting, like light-emitting diode (LED) bulbs. — Charles Selle, Chicago Tribune, 1 Apr. 2026 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 Using light-emitting diode, or LED, holiday light strings will reduce the cost of decorating homes. — Alexis Simmerman, Austin American Statesman, 23 Jan. 2026 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

Rhymes for light-emitting diode

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Browse Nearby Words

light-duty
light-emitting diode
lighten
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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 7 Jul. 2026.

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Kids Definition

light-emitting diode

noun
: LED

More from Merriam-Webster on light-emitting diode

Britannica.com: Encyclopedia article about light-emitting diode

Last Updated: - Updated example sentences
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