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 first is that they serve a defined role in his intricately detailed offensive scheme—such as four-year starter Alex Karaban, whose shooting has already led to two UConn titles.

From The Wall Street Journal • 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

The data did not show how many of the alleged offences led to prosecutions and convictions.

From BBC • Apr. 2, 2026

On this day, Duane would leave his cave, but instead of turning right, he would turn left and follow where his curiosity led.

From "The Very, Very Far North" by Dan Bar-el