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cardiospasm

American  
[kahr-dee-uh-spaz-uhm] / ˈkɑr di əˌspæz əm /

noun

Pathology.
  1. failure of the muscle fibers at the lower end of the esophagus to relax, resulting in swallowing difficulty and regurgitation.


Etymology

Origin of cardiospasm

First recorded in 1895–1900; cardio- + spasm