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

Their friendship led to the creation of the Pittsburgh Post-Gazette in 1927, through an exchange of properties intended to help them both succeed in the same market.

From The Wall Street Journal • Apr. 5, 2026

Cowser alleged in the lawsuit that the officer and his partner lied multiple times about the use of force that led to her injuries, a charge the department has denied.

From Los Angeles Times • Apr. 5, 2026

Specific attention must also be paid to Jane de Wet’s performance, which nips at the heels of the women who led the great ’90s thrillers.

From Salon • Apr. 5, 2026

A winter storm that led to thousands of flight cancellations, as well as the partial government shutdown, which led to long lines at airports, could also be focal points for Delta’s call.

From MarketWatch • Apr. 5, 2026

“But the Afterlife has led me here to offer you another chance. If you come, you will become an Usher of wandering souls. If you refuse this calling, you will die.”

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman