OPEC
Meaning of OPEC in English
/ ˈəʊpek; NAmE ˈoʊ-/ abbreviation
Organization of Petroleum Exporting Countries (an organization of countries that produce and sell oil)
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005