led
verb
simple past tense and past participle of lead.
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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.
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See also semiconductor laser
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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.
Led by Dr. Clare Bakewell, a Senior Lecturer in the Department of Chemistry, the researchers created highly reactive aluminum molecules capable of breaking some of the strongest chemical bonds.
From Science Daily • May 1, 2026
Led by Kobe Bryant and Pau Gasol, the Lakers won their first of back-to-back titles that year.
From Los Angeles Times • Apr. 19, 2026
Led by Julian Casablancas, the band returns with a new album slated for June, following a six-year hiatus.
From Barron's • Apr. 10, 2026
Led Zeppelin superstar Robert Plant left shoppers dazed and confused when he was spotted crate digging in the world's oldest record store.
From BBC • Apr. 9, 2026
One of the symbols that popped up looked just like the levels of Q-Bert, one of the best old video games—I didn’t realize Led Zeppelin had invented Q-Bert!
From "It’s Kind of a Funny Story" by Ned Vizzini
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.
