extender

noun

ex·​tend·​er ik-ˈsten-dər How to pronounce extender (audio)
: one that extends: such as
a
: a substance added to a product especially in the capacity of a diluent, adulterant, or modifier
b
: an added ingredient used to increase the bulk of a food (such as soup or meat)

Examples of extender 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.
Clean Ceiling Fans One of the most difficult spots in the house to clean is a little easier with a Swiffer with the extender. Melissa Locker, Southern Living, 19 June 2025 To expand the range of your Wi-Fi and boost speeds to areas of your home that are farther removed from your modem and router, a Wi-Fi booster or extender can help. David Brinkerhoff, USA Today, 11 June 2025 Another possibility, though certainly not in the near future, could be a bipartisan tax bill on tax extenders. Tax Notes Staff, Forbes.com, 15 July 2025 Wi-Fi boosters, or extenders, amplify your router’s signal. Kara McGinley, USA Today, 11 June 2025 See All Example Sentences for extender

Word History

First Known Use

circa 1529, in the meaning defined above

Time Traveler
The first known use of extender was circa 1529

Browse Nearby Words

Cite this Entry

“Extender.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extender. Accessed 20 Aug. 2025.

Kids Definition

extender

noun
ex·​tend·​er ik-ˈsten-dər How to pronounce extender (audio)
: something added to something else especially to make it go farther
meat extenders

Medical Definition

extender

noun
ex·​tend·​er ik-ˈsten-dər How to pronounce extender (audio)
1
: a substance added to a product especially in the capacity of a diluent, adulterant, or modifier
2

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