led
verb
simple past tense and past participle of lead.
led
1 American
[led]
/ lɛd /
verb
LED
2
American
[el-ee-dee, led]
/ ˈɛlˌiˈdi, lɛd /
noun
LED
1
British
abbreviation
led
2
British
/ lɛd /
verb
LED
Scientific
/ ĕl′ē-dē′,lĕd /
-
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.
-
See also semiconductor laser
Other Word Forms
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The discovery led to the publication of a scientific paper, external that compared the fossil with those across Europe.
From BBC ● Sep. 28, 2026
Support for it was led by Stephen Martinez, a retired aerospace engineer from Bellflower, who with his wife, Lindalee Iverson, spent $350,000 to bring two arbitration cases against Kaiser.
From Los Angeles Times ● Sep. 28, 2026
Bedford described the issue as very different from the flaw that led to the two deadly MAX crashes.
From Barron's ● Sep. 28, 2026
In a note to clients on Monday, TD Cowen analysts led by John Blackledge called that business the “biggest near-term driver” of revenue for the company, citing the AI industry’s major supply-and-demand imbalance.
From MarketWatch ● Sep. 28, 2026
He led Kik and me into the drawing room where, sipping coffee and chatting in small groups, was the most distinguished-looking group of men and women I had ever seen.
From "The Hiding Place" by Corrie ten Boom
The giant orbital venue has a 580,000-square-foot LED exterior and a screen inside that wraps around the audience.
From The Wall Street Journal ● Sep. 14, 2026
Throughout the show, vintage video clips and moments from his early career played across a massive LED screen, while an orchestra and a few guitarists accompanied him on stage.
From BBC ● Sep. 5, 2026
In a building next to a makeshift morgue in Bharatpur, Shobha Adhikary emerged from the crowd after scanning the LED screen.
From Barron's ● Aug. 30, 2026
The study examined indigo light, a short wavelength of visible light that is plentiful in natural sunlight but largely absent from standard white LED lighting.
From Science Daily ● Aug. 26, 2026
Attached to its shaft was a glowing LED read-out the size of a wristwatch, counting down from 5:00.
From "Blood of Olympus" by Rick Riordan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
