ex·​pand·​er | \ ik-ˈspan-dər How to pronounce expander (audio) \

Definition of expander

: 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 This four-way shoe widener and expander is shaped specifically for wide feet, allowing those with EE size feet to properly fit into a pair of shoes. Chris Hachey, BGR, 21 May 2021 As mentioned above, gaming peripheral software works great as a replacement for a text expander. Eric Ravenscraft, Wired, 8 Oct. 2020 Used as its maker intends, as a very quick expander, this is a fine tool for deer hunters—very accurate, loaded right up to snuff, and devastating on impact. David E. Petzal, Field & Stream, 18 Nov. 2019 Stolen were a battery kit, electric saw, right angle drill and power expander. cleveland, 26 Mar. 2020 In that case, surgeons my place temporary expanders in the chest to hold the breast skin in place until the patient is ready. Adele Jackson-gibson, Good Housekeeping, 25 Sep. 2019 There are no reports of deaths associated with tissue expanders. Rachel Lubitz, refinery29.com, 25 July 2019 This recall applies to BIOCELL textured breast implants and tissue expanders (devices used to stretch a person’s skin before breast augmentation or reconstruction after a mastectomy) from Allergan. Carolyn L. Todd, SELF, 13 Aug. 2019 After a nipple-sparing prophylactic mastectomy and six months of expanders, a pair of silicone implants had been placed in my chest. Lambeth Hochwald, Glamour, 27 Sep. 2018

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

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First Known Use of expander

1862, in the meaning defined above

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Time Traveler for expander

Time Traveler

The first known use of expander was in 1862

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Statistics for expander

Last Updated

29 May 2021

Cite this Entry

“Expander.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expander. Accessed 24 Jun. 2021.

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More Definitions for expander


ex·​pand·​er | \ ik-ˈspan-dər How to pronounce expander (audio) \

Medical Definition of expander

: 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


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