ex·​tend·​er | \ ik-ˈsten-dər How to pronounce extender (audio) \

Definition of extender

: 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 The valve stem stabilizer can become loose, allowing the valve stem extender to contact the wheel. Detroit Free Press, "Car recalls for April 1-8 include 628,000 Acuras, 60,000 Chevrolets," 8 Apr. 2021 Extend the range of your Wi-Fi coverage to every corner of your home and out into your yard with this extender, which works with any Wi-Fi router. Stack Commerce, Popular Science, "Consider these refurbished Netgear products to enhance your Wi-Fi needs," 4 Mar. 2021 So Sterlite developed a signal extender to help companies connect mobile devices and computers in indoor spaces, far from telecom towers, to 5G networks. Newley Purnell, WSJ, "An Entrepreneur Sees a Profitable Future in 5G Technology," 23 Mar. 2021 The Ring Alarm system is a five-piece kit: base station, keypad, contact sensor, motion detector and range extender. David Phelan, Forbes, "Ring Alarm Outdoor Siren Aims To Make Your Home Even More Secure," 20 Mar. 2021 Similar to models such as the BMW i3 and Chevy Volt, the gasoline engine will serve mostly as a range-extender that kicks in to charge the battery pack—only in the MX-30's case, that engine will use an unconventional rotary design. Joey Capparella, Car and Driver, "Mazda MX-30 Confirmed for U.S. with EV, Rotary Hybrid Variants," 5 Jan. 2021 The router and extender are both small (3.86 inches by 2.36 inches) and can be stashed in your house without drawing attention to themselves. Popsci Commerce Team, Popular Science, "WiFi routers that will smarten up your entire home," 12 Nov. 2020 If that’s the case, invest in an extender (or mesh system with satellites) to fill in any dead spots. Gabrielle Hondorp, Popular Mechanics, "The 7 Best Wi-Fi Routers To Get Your Home Internet Up to Speed," 16 Dec. 2020 This compact, universally adaptable TP-Link RE220 extender boosts internet WiFi coverage up to 1,200 square feet and connects 20 devices up to 750 Mbps. Popular Science, "The best WiFi extenders to stay connected," 19 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'extender.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of extender

circa 1529, in the meaning defined above

Keep scrolling for more

Learn More about extender

Time Traveler for extender

Time Traveler

The first known use of extender was circa 1529

See more words from the same year

Statistics for extender

Last Updated

18 Apr 2021

Cite this Entry

“Extender.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extender. Accessed 21 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for extender


ex·​tend·​er | \ ik-ˈsten-dər How to pronounce extender (audio) \

Medical Definition of extender

1 : a substance added to a product especially in the capacity of a diluent, adulterant, or modifier
2 : expander

More from Merriam-Webster on extender

Britannica.com: Encyclopedia article about extender

Comments on extender

What made you want to look up extender? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Name that Thing: Flower Edition

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Anagram puzzles meet word search.

Love words? Need even more definitions?

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