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
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He led the Chiefs to the Super Bowl titles in 2020, 2023, and 2024 and they were stopped from becoming the first team to win three in a row by the Philadelphia Eagles in 2025.
From BBC • Jun. 11, 2026
After an utterly dominant first half, the Spurs led by 29 points in the third quarter—a deficit no team competing for an NBA championship had ever recovered from.
From The Wall Street Journal • Jun. 11, 2026
With 91% of ballots tallied as of Wednesday afternoon, Becerra led with 27.9% of the vote compared to 25% for Hilton, according to the Associated Press, which declared Becerra and Hilton the two winners.
From Los Angeles Times • Jun. 11, 2026
The National Energy Dominance Council, led by the interior and energy secretaries, has “helped us with, candidly, introducing us and helping us meet some of these people overseas,” Calce said on an industry podcast.
From Salon • Jun. 11, 2026
‘Yes,’ said Torak, ‘I do. After all, if he hadn’t led us to the Walker’s valley, we wouldn’t have seen the stone claw, and then we wouldn’t have known anything about a stone tooth.’
From "Wolf Brother" by Michelle Paver
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.
