A bivalent and trivalent metallic element of the rare earth group.

synonyms: atomic number 63, europium.

Dutch: europium
Polish: Eu, europ

An international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members:
— He tried to take Britain into the Europen Union.

synonyms: Common Market, EC, EEC, Europe, European Community, European Economic Community, European Union.

Dutch: eeg, EU, Europese Unie, Europese Gemeenschappen, EEG
Polish: Unia, UE, Unia Europejska