Phrase guide

propanoic acid

noun · 3 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

A colourless liquid with a sharp unpleasant odour; produced by the bacterial breakdown of fatty acids and therefore found in sweat and some cheese.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The short chain aliphatic carboxylic acid, CH3CH2COOH, used as a preservative, and in the manufacture of many chemical compounds.

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

3

noun

Meaning 3

a liquid fatty acid found in milk and sweat and in fuel distillates

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: propionic acid

Antonyms: none provided

Broader terms: carboxylic acid

History

Etymology

An IUPAC systematic name for the chemical originally named propionic acid. The prop- prefix is derived from propionic.

Across languages

Translations

4 source translations are retained for this English entry.

  • Chinese Mandarin: 丙酸 (bǐngsuān) — systematic name of a kind of fatty acid
  • Finnish: propaanihappo — systematic name of a kind of fatty acid
  • French: acide propanoïque — systematic name of a kind of fatty acid
  • German: Propansäure — systematic name of a kind of fatty acid