ACHALASIA


Meaning of ACHALASIA in English

noun Etymology: New Latin, from a- + Greek chalasis slackening + New Latin -ia Date: 1914 failure of a ring of muscle (as the anal sphincter or one of the esophagus) to relax

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.