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:
A large study led by Rutgers researchers has identified a possible vision risk associated with widely used diabetes and weight loss medications, including Ozempic and Wegovy.
From Science Daily ● Oct. 15, 2026
He said this restriction "led to the disruption of a number of missions" and deprived Ukraine of its ability to fight Russian jet-powered drones.
From Barron's ● Oct. 14, 2026
Ms. Elkayam-Levy is the legal scholar and human-rights advocate who founded and led the Civil Commission on October 7th Crimes by Hamas Against Women and Children.
From The Wall Street Journal ● Oct. 14, 2026
The Serie A giants' refusal to re-enter the pitch for the final minutes of that one also led to them being banned the following year.
From BBC ● Oct. 14, 2026
She took Mutti by the arm and led her into the hallway.
From "An Elephant in the Garden" by Michael Morpurgo
Meta says its glasses are equipped with a LED light that flashes when a photo or video is taken and cannot be turned off without rendering the camera inoperable.
From Barron's ● Oct. 5, 2026
On Thursday and Saturday nights, they were nasty and resonant as a live band, even beneath 160,000 square feet of LED mayhem.
From Los Angeles Times ● Oct. 4, 2026
At its nursery in Yunnan, the company grows millions of plants under LED lights, which are then distributed to its growers.
From The Wall Street Journal ● Sep. 15, 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
Knot indicated a row of levers and LED indicators beside the gears.
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.
