# achalasia

> English word · Noun · IPA /eɪkəˈleɪzi.ə/

## Definitions
1. A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:
2. A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:
3. A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/achalasia