1. A medical condition in which the esophagus loses the ability to move food properly and the lower esophageal sphincter fails to relax, causing difficulty swallowing.
Usage: medical/clinical term; plural form of achalasia; typically used in healthcare and medical contexts

Examples

• The patient was diagnosed with achalasia after experiencing persistent difficulty swallowing.
• Achalasias are rare disorders that require specialized treatment.
• The doctor explained that achalasias result from nerve damage in the esophagus.
• Multiple cases of achalasias were documented in the hospital's gastroenterology department.
• Treatment options for achalasias include medication, dilation, or surgery.