What does "p5+1" mean?

A group of six world powers (China, France, Russia, the United Kingdom, and the United States, plus Germany) which joined the diplomatic efforts with Iran with regard to its nuclear program.

What is a synonym for "p5+1"?

Common synonyms include: e3, e3+3, eu+3.

P5+1

name

name ·Rare ·Advanced level

Definitions

Proper Noun

1
A group of six world powers (China, France, Russia, the United Kingdom, and the United States, plus Germany) which joined the diplomatic efforts with Iran with regard to its nuclear program.

Synonyms

All synonyms

e3 e3+3 eu+3

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.