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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prō'pān'
/ˈpɹoʊpeɪn/
US:Recorded audio is listed in the source snapshot.
UK:Recorded audio is listed in the source snapshot.
rhymes with -eɪn
CMU ARPABET:P R OW1 P EY2 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An aliphatic hydrocarbon, C3H8, a constituent of natural gas.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
LPG.
Definition source: English Wiktionary via Wiktextract
Usage: US, countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
colorless gas found in natural gas and petroleum; used as a fuel
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: fuel, gas
History
Etymology
From clipping of propionic acid + -ane, from French propionique, from Ancient Greek πρό (pró) + πίων (píōn, “fat”). Analyzable as prop- + -ane, borrowing or calque of German Propan.
Across languages
Translations
41 source translations are retained for this English entry.
