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:
It is claimed that while in the garden he observed an apple falling from a tree that led to him thinking about the theory of gravity, which he described in his 1687 book Principia.
From BBC ● Aug. 17, 2026
He led the SEC in passing yardage, piled up 30 touchdowns and single-handedly carried Ole Miss to a historic comeback win over Georgia in the Sugar Bowl.
From The Wall Street Journal ● Aug. 17, 2026
For strategists at Citigroup led by Alex Saunders, if control of the federal government becomes divided between the parties, it’s likely to be good news for bond markets.
From MarketWatch ● Aug. 17, 2026
That led her to co-found the Coalition Against Stalkerware, an international working group tackling the problem of software tools frequently used to spy on unknowing romantic partners.
From Salon ● Aug. 17, 2026
It took the techs a moment, but they eventually had her in hand and led her off the platform.
From "Glitch" by Laura Martin
“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
Watch a century-old lighting company recreate a neon color that was lost as businesses switched to LED.
From The Wall Street Journal ● Aug. 12, 2026
The new work pushes that concept further by replacing the LED with sunlight.
From Science Daily ● Aug. 8, 2026
In the meantime, the tower's 400,000-euro outdoor LED screen has been turned off for months after online memes re-imagined it as the baleful eye of Sauron's fortress of Barad-dur from "The Lord of the Rings".
From Barron's ● Jul. 17, 2026
She was silent, lips pressed together, staring out at the blackness and the reflections of torches and LED beacons on the waters.
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.
