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 result also led to Spain, one of the co-hosts of the next World Cup in 2030, losing their top place in the world rankings.

From BBC

Do you believe Nike’s turnaround effort, led by Hill, will be successful?

From MarketWatch

Although the case is not currently being classed as a terror incident, the Met said the investigation is being led by counter-terror detectives.

From BBC

To take just one example, Australia - led by a Labour government from which this government often takes inspiration - has halved its fuel taxes.

From BBC

In December 2025, a large power outage in San Francisco led Waymo taxis to stop working around the city, causing huge traffic jams.

From BBC