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 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, "How to Pick the Right Bullet for Deer Hunting," 18 Nov. 2019 Stolen were a battery kit, electric saw, right angle drill and power expander. cleveland, "More than $5,000 in power equipment stolen from car parked in man’s driveway: Solon police blotter," 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, "13 Facts to Know If You're Considering a Double Mastectomy," 25 Sep. 2019 There are no reports of deaths associated with tissue expanders. Rachel Lubitz, refinery29.com, "Allergan Just Issued A Global Recall Of Its Textured Breast Implants," 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, "These Breast Implants Have Been Recalled Because of Their Link to a Rare Cancer," 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, "I Got a Mastectomy…Twice," 27 Sep. 2018 For example, once Tammy got an infection in one of her expanders. Alexandra Rockey Fleming, Good Housekeeping, "Husband Documents What It's Like to Watch His Young Wife Battle Cancer," 10 Aug. 2017 After the expanders were put in I did notice that my left side sat a little bit higher and was firmer. Julie Mazziotta, PEOPLE.com, "Woman Self-Inflated Her Breast Implants to Weigh 20 Lbs.: 'I Love Being in Control'," 12 June 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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The first known use of expander was in 1862

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Cite this Entry

“Expander.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expander. Accessed 14 Jul. 2020.

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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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Rhyming Dictionary: Words that rhyme with expander

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