led
1 Americanverb
noun
abbreviation
verb
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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
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:
Inside, the eye immediately travels upward, led by rows of slightly sloping, fluted, twisting columns that seem to soar to the heavens.
From The Wall Street Journal ● Aug. 14, 2026
The world number one, who already led the FedEx Cup standings heading into the first of three play-off events, birdied the first five holes at TPC Southwind.
From BBC ● Aug. 14, 2026
The reconciliation talks between the government and opposition are being led by Figuera and interim president Rodriguez's brother, National Assembly chief Jorge Rodriguez.
From Barron's ● Aug. 14, 2026
A spokesperson for the department said officers are still working to determine the circumstances that led to the crash.
From Los Angeles Times ● Aug. 14, 2026
He led the school band and taught me to play the trumpet.
From "Black Star, Bright Dawn" by Scott O'Dell
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Best Buy is trying to convince consumers that its new line of RGB LED TVs represents a big enough viewing advance to finally justify a living-room upgrade.
From The Wall Street Journal ● Aug. 11, 2026
The new work pushes that concept further by replacing the LED with sunlight.
From Science Daily ● Aug. 8, 2026
Daktronics is a leader in designing, engineering and manufacturing digital LED display technology and audio systems.
From Los Angeles Times ● Aug. 7, 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
In the LED dimness it was almost black.
From "Ship Breaker" by Paolo Bacigalupi
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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.