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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CMU ARPABET:P AA2 L IY2 P R OW1 P AH0 L IY2 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A thermoplastic resin made by the polymerization of propylene, and used for films, fibres, or moulding materials.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
Near-synonym: ♷
Meaning relationships
Synonyms: PP, polypropene, ♷
Antonyms: none provided
Broader terms: polyolefin
2
noun
Meaning 2
a polymer of propylene used as a thermoplastic molding material
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: polypropene
Antonyms: none provided
Broader terms: plastic
History
Etymology
Etymology tree Proto-Indo-European *pleh1- Proto-Indo-European *polh1ús Ancient Greek πολῠ́ς (polŭ́s)lbor. English poly- English propylene English polypropylene From poly- + propylene.
Across languages
Translations
15 source translations are retained for this English entry.