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

He threw 10 pitches, nine of which were strikes and led to three strikeouts.

From Los Angeles Times • Apr. 14, 2026

The parents said they had heard from McCann 11 hours after the incident that supposedly led to Robinson's death and "not with a lot of detail".

From BBC • Apr. 14, 2026

IMF staff members highlight rising debt-to-GDP levels, which have led to larger bond yield gyrations on auction days.

From Barron's • Apr. 14, 2026

The best estimates we have are from the Foundation for Defense of Democracies’ Miad Maleki, who led the U.S.

From The Wall Street Journal • Apr. 14, 2026

That always led to questions like Who names their kid Ingrid in this century?

From "Bye Forever, I Guess" by Jodi Meadows