extender

noun

ex·​tend·​er ik-ˈsten-dər 

: 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

Dynamic soft robots To create OCTOID’s modular actuating legs, researchers fabricated active (AL) and passive layers (PL) from cholesteric liquid crystal elastomers (CLCEs) using a bottom-up self-assembly of reactive mesogens, crosslinkers, and chain extenders. —Jijo Malayil, Interesting Engineering, 26 Oct. 2025

The bike plus the dual-battery extender package has a list price of $1,999, but again is available for a hundred bucks off at the time of writing. —New Atlas, 22 Oct. 2025

Fully charge your cell phone and bring a battery extender if possible. —Jalen Williams, Freep.com, 17 Oct. 2025

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, 8 Oct. 2025

Word History

First Known Use

circa 1529, in the meaning defined above

Rhymes for extender

• bartender
• contender
• defender
• engender
• offender
• pretender
• provender
• surrender
• suspender
• transgender
• bender
• blender

Kids Definition

extender

noun

ex·​tend·​er ik-ˈsten-dər 

: something added to something else especially to make it go farther

meat extenders

Medical Definition

extender

noun

ex·​tend·​er ik-ˈsten-dər 

1

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

2

: expander