led

¹ American  

[led] / lɛd /

verb

1. simple past tense and past participle of lead.

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LED ² American  

[el-ee-dee, led] / ˈɛlˌiˈdi, lɛd /

noun

1. light-emitting diode: a semiconductor diode that emits light when conducting current and is used in electronic displays, indoor and outdoor lighting, etc.

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LED ¹ British  

abbreviation

1. light-emitting diode

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led ² British  

/ lɛd /

verb

1. the past tense and past participle of lead 1

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LED Scientific  

/ ĕl′ē-dē′,lĕd /

1. Short for light-emitting diode. An electronic semiconductor device that emits light when an electric current passes through it. They are considerably more efficient than incandescent bulbs, and rarely burn out. LEDs are used in many applications such as flat-screen video displays, and increasingly as general sources of light.

2. See also semiconductor laser

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Other Word Forms

• unled adjective
• well-led adjective

Example Sentences

Authorities have released no details about the evidence that led to the arrest.

From Los Angeles Times • Apr. 17, 2026

As has long been predicted, the growth of AI agents, or programs that can act autonomously, has led to an explosive increase in demand for inference computing.

From Barron's • Apr. 17, 2026

This has led to another burgeoning industry in scraping Google’s results and delivering them to other AI companies, so they can rapidly deliver the internet’s most current knowledge.

From The Wall Street Journal • Apr. 17, 2026

New research led by the University of Warwick shows that forests were already growing across Doggerland, a now-submerged landmass beneath the North Sea, far earlier than scientists once believed.

From Science Daily • Apr. 17, 2026

We were led on by my sister purposefully and by my mother unintentionally.

From "American Spirits" by Barb Rosenstock