extension cord

noun

: an electric cord fitted with a plug at one end and a receptacle at the other

Examples of extension cord in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Never use an extension cord or power strip to plug in a space heater; instead, plug in directly to the wall. Mary Wasson, Austin American Statesman, 22 Jan. 2026 Don't plug a heated mattress pad into an extension cord. Brandee Gruener, Southern Living, 20 Jan. 2026 The family ran a PVC pipe beneath the structure to tunnel an extension cord through, plugging in a large LED light each night that illuminated the ice from within. Jordan Greene, PEOPLE, 14 Jan. 2026 One of the biggest mistakes people make with space heaters is using an extension cord. Shivani Vyas, Better Homes & Gardens, 14 Jan. 2026 See All Example Sentences for extension cord

Word History

First Known Use

1918, in the meaning defined above

Time Traveler
The first known use of extension cord was in 1918

Browse Nearby Words

Cite this Entry

“Extension cord.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extension%20cord. Accessed 31 Jan. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!