# fumarate

> English word · Noun · frequency rank #94,874

## Definitions
1. Any salt or ester of fumaric acid; they are produced in the body as part of the urea cycle.

## Etymology
From fumaric acid + -ate (“salt or ester”).

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