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:
Notwithstanding "serious failures" in the process that led to the killings, "the decisions of the commanders did not raise reasonable suspicion of criminal misconduct," the IDF said.
From BBC ● Aug. 21, 2026
Subsequent investigations, which involved countries in Europe and elsewhere, led to the arrest of the suspect in Romania, who is being investigated by German prosecutors for allegedly preparing attacks and suspected espionage.
From Barron's ● Aug. 21, 2026
The data agency’s survey for June showed sales were up broadly, rising in seven of the nine industry segments it tracks, led by general merchandise stores.
From The Wall Street Journal ● Aug. 21, 2026
"Some regions throughout the Adriatic have particular characteristics that led local populations to develop a specific shipbuilding style," said Charrié.
From Science Daily ● Aug. 21, 2026
He led us through a door and along a high-ceilinged corridor.
From "The Hiding Place" by Corrie ten Boom
In those experiments, they used an LED, an incoherent light source, to produce polarization-entangled photons.
From Science Daily ● Aug. 8, 2026
The roll-up doors will allow cars to be driven inside and a wall of high-resolution LED panels will project backgrounds in real-time 3-D environments.
From Los Angeles Times ● Aug. 5, 2026
It uses a string of LED lights laid along the track to signal to an athlete the exact rhythm he needs to break a record.
From The Wall Street Journal ● Jul. 22, 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.
