organization of petroleum exporting countries
C1/C2Formal, Technical, Business, Political
Definition
Meaning
An international intergovernmental organization of 13 oil-exporting nations, founded to coordinate and unify petroleum policies among member countries.
Often used as a metonym for a powerful cartel that can influence global oil prices and energy markets through production quotas and policy coordination.
Linguistics
Semantic Notes
The name is a proper noun referring to a specific organization. It is almost exclusively used in its full form or the acronym 'OPEC'. It is not used generically to refer to other organizations.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. The abbreviation 'OPEC' is universally used.
Connotations
Identical connotations in both varieties: economic power, cartel behavior, geopolitical influence on energy markets.
Frequency
Frequency is identical and context-dependent (news, economics, geopolitics).
Vocabulary
Collocations
Grammar
Valency Patterns
[OPEC] + [verb: decided, agreed, cut, raised][Country] is a member of [OPEC][Decision] by [OPEC]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “an OPEC of [other commodity]”
Usage
Context Usage
Business
Discussed in markets reporting, e.g., 'OPEC+ agreed to extend output cuts, supporting crude prices.'
Academic
Analyzed in economics, political science, and energy policy papers.
Everyday
Rare in casual conversation except when discussing high fuel prices or major news events.
Technical
Precise reference to the Vienna-based organization, its Secretariat, Ministerial Conferences, and binding resolutions.
Examples
By Part of Speech
verb
British English
- The group is often said to 'OPEC' the market, though this verb is informal.
- Traders fear the producers may try to OPEC prices higher.
American English
- They can't just OPEC their way out of this supply glut.
- The aim is to OPEC-style manage the global inventory.
adverb
British English
- The countries acted OPEC-style to bolster prices.
- They managed production almost OPEC-ishly.
American English
- They coordinated their output OPEC-like.
- The group moved, in an OPEC-fashion, to curb supply.
adjective
British English
- The OPEC-led production cuts are taking effect.
- We analysed the OPEC-compliant output figures.
American English
- The OPEC-style coordination surprised analysts.
- He has deep OPEC-related market expertise.
Examples
By CEFR Level
- OPEC is a group of countries that sell oil.
- Some news is about OPEC.
- OPEC has many meetings about oil production.
- The price of oil can change after OPEC decisions.
- OPEC members agreed to reduce oil output to stabilise falling prices.
- Analysts are waiting for the outcome of the latest OPEC conference.
- The geopolitical rift within OPEC+ complicates efforts to reach a consensus on baseline production levels.
- OPEC's market share has been eroded by the rise of US shale oil producers.
Learning
Memory Aids
Mnemonic
Think of the letters OPEC as standing for 'Oil Producing & Exporting Countries' to remember its core function.
Conceptual Metaphor
OPEC IS A CARTEL (emphasizing coordinated market control); OPEC IS A SWING PRODUCER (influencing global supply).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating word-for-word as 'Организация стран-экспортеров нефти' in running English text—use 'OPEC'.
- Do not confuse with 'OPEC+' (which includes non-OPEC allies like Russia).
- It is singular ('OPEC is...'), not plural.
Common Mistakes
- Mispronouncing as /ˈəʊpek/ instead of /ˈəʊpek/ (oh-peck).
- Using 'an OPEC' (it's a proper noun, so just 'OPEC').
- Writing 'OPEC's meeting' vs. 'the OPEC meeting' (both possible).
Practice
Quiz
What is the primary purpose of OPEC?
FAQ
Frequently Asked Questions
As of 2023, OPEC has 13 member countries: Algeria, Angola, Congo, Equatorial Guinea, Gabon, Iran, Iraq, Kuwait, Libya, Nigeria, Saudi Arabia, the United Arab Emirates, and Venezuela.
OPEC refers to the 13 official member countries. OPEC+ is a broader alliance that includes OPEC members plus 10 non-OPEC oil-exporting nations led by Russia, formed to enact wider production agreements.
OPEC was founded in Baghdad, Iraq, in September 1960 by Iran, Iraq, Kuwait, Saudi Arabia, and Venezuela.
OPEC member countries possess about 80% of the world's proven oil reserves and, as of 2023, accounted for around 40% of global oil production.