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extender

American  
[ik-sten-der] / ɪkˈstɛn dər /

noun

  • extenders
    plural
  1. a substance added to another substance, as to paint or food, to increase its volume or bulk.

    to add cereal and soy protein to hamburger as extenders.

  2. Photography. converter8


extender British  
/ ɪkˈstɛndə /

noun

  1. a person or thing that extends

  2. a substance, such as French chalk or china clay, added to paints to give them body and decrease their rate of settlement

  3. a substance added to glues and resins to dilute them or to modify their viscosity

  4. a substance added to elastomers to assist the plasticizer

  5. printing the part of certain lower-case letters that extends either above (the ascender) or below (the descender) the body of the letter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of extender

First recorded in 1605–15; extend + -er 1


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:

The all-terrain buggy she uses to herd cattle is fitted with an internet extender, enabling her to message friends on Snapchat while working.

From BBC ● Dec. 10, 2025

Gemini marries LFP cells similar to those used in the Aries pack with higher-energy cells that act as a range extender as charge is depleted.

From Reuters ● Aug. 15, 2023

The Echo will also soon double as a Wi-Fi extender with new tech from eero, a home Wi-Fi system.

From Seattle Times ● Sep. 28, 2022

He no longer needed a seatbelt extender on airplanes.

From Los Angeles Times ● Aug. 28, 2022

Golly sits up and pushes the leg extender down.

From "Odd One Out" by Nic Stone

Plug-in hybrids and cars with range extenders -- in which a small combustion engine can charge the battery -- are covered by a basic subsidy of 1,500 euros.

From Barron's ● Jan. 19, 2026

The change would mean plug-in hybrid electric vehicles, range extenders and internal combustion engines can still be sold in the EU after 2035, in addition to fully electric and hydrogen vehicles, it said.

From The Wall Street Journal ● Dec. 16, 2025

Read more from Chris: Some Amazon Echos can double as WiFi range extenders.

From Washington Post ● Mar. 3, 2023

Flight attendants restrained him further with seatbelt extenders because he continued to unbuckle his seatbelt, according to prosecutors.

From Los Angeles Times ● Sep. 22, 2022

He had all sorts of attachments connected to his body—a helicopter that came out of his hat, robot arm extenders, and bouncy springs in his legs that made him really tall really fast.

From "Ugly" by Robert Hoge

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