# acetylcholinesterase

> English word · Noun · frequency rank #96,713

## Definitions
1. An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.

## Etymology
From acetylcholine + esterase.

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