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:
Mission College recently launched its men’s tennis program — also featuring local players — using the same formula that led to the women’s team’s success.
From Los Angeles Times ● Oct. 18, 2026
The campaign for sainthood is being led by the Fr Willie Doyle Association, a Dublin-based group comprised mostly of lay people but supported by the clergy.
From BBC ● Oct. 18, 2026
Dr. Libor Šmejkal conducted much of the crucial theoretical work that led to the identification of altermagnetism while working at Mainz University from 2016 to 2024.
From Science Daily ● Oct. 18, 2026
This has led to steady gains in the SPY-to-DIA ratio in recent years, with the ratio even surpassing the highs seen during the dot-com period of the late 1990s.
From MarketWatch ● Oct. 18, 2026
I barely managed to get out of his way before he shoved past me, making a beeline for one of the hatches that led belowdecks.
From "Glitch" by Laura Martin
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
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
LED lights blink from the ceiling, humming quietly.
From "Kwame Crashes the Underworld" by Craig Kofi Farmer
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
