/ ˌpetrəʊˈkemɪkl; NAmE ˌpetroʊ-/ noun
any chemical substance obtained from petroleum oil or natural gas :
the petrochemical industry
/ ˌpetrəʊˈkemɪkl; NAmE ˌpetroʊ-/ noun
any chemical substance obtained from petroleum oil or natural gas :
the petrochemical industry
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005