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petrochemistry▼◼◼◼noun[UK: ˌpe.trəʊˈk.e.mɪ.strɪ] [US: ˌpetro.ʊˈk.e.mɪ.striː]
petrochemical▼◼◼◼adjective[UK: ˌpe.trəʊˈk.e.mɪk.l̩] [US: ˌpetro.ʊˈk.e.mɪk.l̩]
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