achalasia

noun

acha·​la·​sia ˌā-kə-ˈlā-zh(ē-)ə How to pronounce achalasia (audio)
: failure of a ring of muscle (such as the anal sphincter or one of the esophagus) to relax

Examples of achalasia in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With spastic achalasia, your esophageal muscles don't contract while swallowing. Mark Gurarie, Health, 20 Dec. 2024 Also, my breast cancer acted like an autoimmune disorder, aggravating my achalasia. Rachel S. Hunt, Washington Post, 6 July 2024 Start to finish, the worst of my achalasia symptoms took almost four years to find and treat. Rachel S. Hunt, Washington Post, 6 July 2024 After Lorraine passed away in May 2018 at age 73, after close to a decade with achalasia, a condition that closes off the esophagus, Chuck set to work living out her wishes. Heidi Stevens, chicagotribune.com, 9 Aug. 2019

Word History

Etymology

a- entry 2 + Greek chálasis "loosening, relaxation" (from chaláō, chalân "to loosen" —of obscure origin— + -sis -sis) + -ia entry 1

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of achalasia was in 1914

Dictionary Entries Near achalasia

Cite this Entry

“Achalasia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/achalasia. Accessed 10 Jan. 2025.

Medical Definition

achalasia

noun
acha·​la·​sia ˌā-kə-ˈlā-zh(ē-)ə How to pronounce achalasia (audio)
: failure of a ring of muscle (as a sphincter) to relax
achalasia of the esophagus
achalasia of the anal sphincter
compare cardiospasm

More from Merriam-Webster on achalasia

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