Phrase guide

butanoic acid

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an unpleasant smelling fatty acid found especially in butter

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: butyric acid

Antonyms: none provided

Broader terms: saturated fatty acid

Narrower terms: hydroxybutyric acid, oxybutyric acid

History

Etymology

butane + -oic acid