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

Over his 36 years of service, LaNeve has led several teams, including the Eighth Army in South Korea and the 82nd Airborne Division.

From BBC • Apr. 3, 2026

The Vatican also played a major role in secret negotiations that led the Obama administration to re-establish full diplomatic relations with Cuba in 2015.

From The Wall Street Journal • Apr. 3, 2026

The results showed that microwave frying led to quicker moisture loss, reduced cooking times, and lower oil uptake overall.

From Science Daily • Apr. 2, 2026

Apollo-managed funds and affiliates led an $11.2 billion investment in 2024 to acquire a 49% stake in a joint venture related to the Ireland facility, dubbed Fab 34.

From Barron's • Apr. 2, 2026

Ma led her upstairs to our sitting room.

From "The Red Car to Hollywood" by Jennie Liu