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:
Representatives for Blair told The Times that “Selma experienced a medical emergency that led to the alleged conduct.”
From Los Angeles Times ● Oct. 31, 2026
A hospital trust has taken full responsibility for 24 failures that led to the death of a 21-month-old.
From BBC ● Oct. 31, 2026
“Gaps in tech capabilities,” have led to inaccurate prices, McKinsey said in a 2023 presentation to the company that was made public as part of a previous lawsuit.
From The Wall Street Journal ● Oct. 31, 2026
The research was led by scientists at the Mass General Brigham Neuroscience Institute and involved teams working across three continents.
From Science Daily ● Oct. 31, 2026
I went along the twisting path and climbed the stile that led to our field.
From "Nory Ryan’s Song" by Patricia Reilly Giff
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
The giant orbital venue has a 580,000-square-foot LED exterior and a screen inside that wraps around the audience.
From The Wall Street Journal ● Sep. 14, 2026
Contacted by AFP, Meta said it has taken multiple steps to prevent tampering with the blinking LED light intended to show other people the device is recording -- a key concern of critics.
From Barron's ● Sep. 12, 2026
All of the finalist photographs will go on display in the LED tunnel at entertainment complex Outernet London from 8 to 14 September.
From BBC ● Sep. 7, 2026
A bright LED beam dips back and forth across the lawn.
From "Internment" by Samira Ahmed
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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.
