petrochemical

noun pet·ro·chem·i·cal \ˌpe-trō-ˈke-mi-kəl\

: a chemical that is made from petroleum or natural gas

Full Definition of PETROCHEMICAL

: a chemical isolated or derived from petroleum or natural gas

— pet·ro·chem·is·try \-ˈke-mə-strē\ noun

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1942

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