English Explanatory Dictionary

achalasia

English dictionary entry

Meanings

noun
  1. A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:
  2. Such obstruction in the esophagus: esophageal achalasia.
  3. Such esophageal achalasia of primary (idiopathic) nature: primary esophageal achalasia.
  4. Such obstruction due to impairment of other gastrointestinal tract smooth muscles.

Pronunciation

/eɪkəˈleɪzi.ə/

Word forms

achalasia achalasias

Etymology

From Ancient Greek ἀ- (a-, “not”) + χάλασις (khálasis, “relaxation”), from χαλάω (khaláō, “I loosen”).

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