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
Bartok led with a heavy twelve-foot sled that was used to carry water in the summer.
From "Black Star, Bright Dawn" by Scott O'Dell
"These investments are already having a deterrent effect," it said, saying companies offering to disable the LED lights had shut down as a result.
From Barron's ● Sep. 12, 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 one demonstration, the team created a multistable knitted shell that switches an LED on and off as the textile moves between its stable states.
From Science Daily ● Sep. 4, 2026
“The Mandalorian” on Disney+ was an early adopter of the technology, using Unreal Engine to power virtual interactive sets displayed on massive LED walls.
From Los Angeles Times ● Aug. 17, 2026
His mask kept clogging, and in the rush to dive back into the hole, he’d forgotten to renew his LED paint patch.
From "Ship Breaker" by Paolo Bacigalupi
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.
