# butanoic acid

> English word · Noun

## Definitions
1. The chemical compound with the formula CH₃(CH₂)₂COOH, a short chain fatty acid; its glyceride is one of the principle components of the flavor of butter.

## Etymology
butane + -oic acid

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