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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/pɒliˈstaɪriːn/
General-American:Recorded audio is listed in the source snapshot.
CMU ARPABET:P AA2 L IY2 S T AY1 R IY2 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A vinylic polymer of styrene, CH2CHphenyl.
Definition source: English Wiktionary via Wiktextract
Etymology tree Proto-Indo-European *pleh1- Proto-Indo-European *polh1ús Ancient Greek πολῠ́ς (polŭ́s)lbor. English poly- Ancient Greek στύραξ (stúrax)der. Latin styrax French -ènebor. English -ene English styrene English polystyrene From poly- + styrene.
Across languages
Translations
16 source translations are retained for this English entry.