Eurovoc is a multilingual thesaurus

Thesaurus

A thesaurus is a reference work that lists words grouped together according to similarity of meaning , in contrast to a dictionary, which contains definitions and pronunciations...

 maintained by the Publications Office of the European Union. It exists in 22 official language

Official language

An official language is a language that is given a special legal status in a particular country, state, or other jurisdiction. Typically a nation's official language will be the one used in that nation's courts, parliament and administration. However, official status can also be used to give a...

s of the European Union (Bulgarian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Italian, Hungarian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovene, Spanish and Swedish), as well as Basque, Catalan, Croatian, Russian and Serbian. Eurovoc is used by the European Parliament

European Parliament

The European Parliament is the directly elected parliamentary institution of the European Union . Together with the Council of the European Union and the Commission, it exercises the legislative function of the EU and it has been described as one of the most powerful legislatures in the world...

, the Office for Official Publications of the European Union, the national and regional parliaments in Europe, some national government departments, and European organisations. It serves as the basis for the domain names used in the European Union's terminology database: Inter-Active Terminology for Europe

Inter-Active Terminology for Europe

Inter-Active Terminology for Europe is the inter-institutional terminology database of the European Union. The project was launched in 1999 with the objective of creating a web-based interface for all EU terminology resources so as to make the information more easily available and ensure its...

.