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

The Arsenal manager has previously spoken about his and the fans' "willingness to win", and that desperation from supporters to see success has led to some tense moments, particularly at home.

From BBC • Apr. 18, 2026

If tariffs have led to new investment, the effect on production might not show up for a while.

From The Wall Street Journal • Apr. 18, 2026

Later, at the SEC, he led reform efforts of equity markets and corporate governance.

From Barron's • Apr. 18, 2026

Using a network of radio telescopes spread across the globe, a team led by Curtin University captured detailed images that reveal just how energetic these jets can be.

From Science Daily • Apr. 18, 2026

Leah still earned enough to keep her own apartment where she led private séances mostly for long-term clients.

From "American Spirits" by Barb Rosenstock