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

Concerns about rule of law and China’s long-term stability have led many wealthy citizens to park their money offshore.

From The Wall Street Journal • Apr. 19, 2026

In the afternoon session Kowalski, who is the same age as 51-year-old Williams' oldest child, made a break of 82 in the first frame, although that would be the only time he led.

From BBC • 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

I will never forget the moment I led a four-year- old girl away from an animal enclosure – and I will never, ever forgive the people who made it necessary for her to hide there.

From "Code Name Kingfisher" by Liz Kessler