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

Example Sentences

Recent Examples on the Web 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

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

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 1 Dec. 2022.

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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