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

Reagan led the most powerful country in the world, while the pope represented a religious institution that at the time had almost a billion members.

From The Wall Street Journal • Apr. 18, 2026

Goldman Sachs Group led off earnings with quarterly profit up 19%, but the stock fell on weak fixed-income, currencies, and commodities results.

From Barron's • Apr. 17, 2026

The new owners: a group led by Jose Feliciano of Santa Monica-based Clearlake Capital, which manages more than $90 billion in assets, and his wife, Kwanza Jones.

From Los Angeles Times • Apr. 17, 2026

On Friday, a high level delegation from European Commission President Ursula von der Leyen's office arrived in Budapest for informal talks with Tisza officials, led by Péter Magyar.

From BBC • Apr. 17, 2026

She glanced at the short passage that led to the shop.

From "The Red Car to Hollywood" by Jennie Liu