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

That conviction, led by Intercontinental Exchange founder and Chief Executive Jeffrey Sprecher, paved the way for a roughly $200 million investment in the crypto exchange OKX in March, according to people familiar with the matter.

From The Wall Street Journal • Apr. 17, 2026

Originally planned as a Japan-only record, the strong demand for Japanese imports led Epic to release it in the U.S., where it went triple platinum.

From Los Angeles Times • Apr. 17, 2026

Naomi spent two years in and out of hospital, which led to her having to stop her nursing course and, at one stage, there were concerns about whether she could look after her children.

From BBC • 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

She led me inside the classroom, where Avery was curled into a ball under a table.

From "Keeping Pace" by Laurie Morrison