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

That led to nearly 50 years of expanding prosperity during the period often described as Pax Americana.

From Salon

Member states are set to vote on a resolution - led by Ghana - to recognise the transatlantic slave trade as "the gravest crime against humanity".

From BBC

Police and fire authorities, as well as combined authorities led by elected mayors, can also raise bills this way.

From BBC

Another study led by former graduate student Cynthia Wang-Claypool found that feathers, including those of Anna's hummingbirds, contain ethyl glucuronide, a byproduct of ethanol metabolism.

From Science Daily

Even at doses thousands of times lower than those typically taken orally, the treatment led to a marked reduction in blood sugar levels.

From Science Daily