expander

noun

ex·​pand·​er ik-ˈspan-dər How to pronounce expander (audio)
: one that expands
specifically : any of several colloidal substances (such as dextran) of high molecular weight used as a blood or plasma substitute for increasing the blood volume

Examples of expander in a Sentence

Recent Examples on the Web Unzipping the expander adds two inches of extra depth and a lot more packing space. Theresa Holland, Travel + Leisure, 25 Mar. 2024 The year is somewhere around 1175 and new worlds and markets still haven’t opened because Marco Polo hasn’t shown up yet, let alone Christopher Columbus, and Johannes Gutenberg’s printing press, the great expander of the world’s knowledge, is still nearly 300 years away. Eli Amdur, Forbes, 20 Feb. 2024 The bottom portion of the board contains the Arduino, the I2C expander, the OCXO, divider chain and voltage regulators. IEEE Spectrum, 30 Jan. 2024 This sizable suitcase can easily hold a week's worth of clothes, plus multiple pairs of shoes and outerwear options — and that's before using the expander, which adds another 2 inches of space. Theresa Holland, Travel + Leisure, 2 Feb. 2024 The carry-on is quite roomy as well, easily fitting a week’s worth of clothes without even using the expander thanks to the compression straps. Sophie Dodd, Travel + Leisure, 31 Oct. 2023 There’s already ample space to fit a week’s worth of clothing in the zippered compartment — the expander is primarily excellent for freeing up some extra space for souvenirs. Sophie Dodd, Travel + Leisure, 31 Oct. 2023 They’ve been used to construct special kinds of networks called expander graphs, which show up in computer science, communications theory and other applications. Jordana Cepelewicz, Quanta Magazine, 21 Sep. 2023 Max out every inch of a cramped closet by investing in a closet expander. Lisa Lombardi, wsj.com, 15 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'expander.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1862, in the meaning defined above

Time Traveler
The first known use of expander was in 1862

Dictionary Entries Near expander

Cite this Entry

“Expander.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expander. Accessed 30 May. 2024.

Medical Definition

expander

noun
ex·​pand·​er ik-ˈspan-dər How to pronounce expander (audio)
: any of several colloidal substances (as dextran) of high molecular weight used as a blood or plasma substitute for increasing the blood volume

called also extender

Last Updated: - Updated example sentences
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