First Known Use: 1914
Dictionary
achalasia
noun acha·la·sia \ˌā-kə-ˈlā-zh(ē-)ə\
Definition of ACHALASIA
: failure of a ring of muscle (as the anal sphincter or one of the esophagus) to relax
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Origin of ACHALASIA
New Latin, from a- + Greek chalasis slackening + New Latin -ia
Medical Dictionary
achalasia
noun acha·la·sia \ˌā-kə-ˈlā-zh(ē-)ə\
Medical Definition of ACHALASIA
: failure of a ring of muscle (as a sphincter) to relax <achalasia of the esophagus> <achalasia of the anal sphincter>—compare cardiospasm
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