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

AI companies’ appetite for RAM chips to build out data centers has led to a worldwide shortage.

From The Wall Street Journal • Apr. 17, 2026

They’re right to be concerned, says a group of Morgan Stanley analysts led by Todd Castagno.

From Barron's • Apr. 17, 2026

It is not clear what specific evidence led authorities to arrest Burke.

From Los Angeles Times • Apr. 16, 2026

It is this that has led Sir Keir and the Foreign Secretary, Yvette Cooper, to give Sir Olly Robbins the heave ho.

From BBC • Apr. 16, 2026

She turned and led us into her office, where I plopped down on my favorite leather chair.

From "Glitch" by Laura Martin