EU Databases
IATE
IATE (Inter-Active Terminology for Europe) is the EU's inter-institutional terminology database. IATE has been used in the EU institutions and agencies since summer 2004 for the collection, dissemination and shared management of EU-specific terminology.
EuroVoc
EuroVoc is a multilingual, multidisciplinary thesaurus covering the activities of the EU. It contains terms in 23 EU languages (Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish and Swedish), as well as in three languages of countries which are candidate for EU accession: Macedonian, Albanian and Serbian.
Interinstitutional style guide
The interinstitutional style guide provides uniform stylistic rules and conventions which should be used by all the institutions, bodies, offices and agencies of the European Union.
Some European Commission DG Glossaries
Agriculture and rural development
Communications Networks, Content and Technology
European Neighbourhood Policy and Enlargement Negotiations
Taxation and Customs Union:
Council of the European Union
PRADO - Public Register of Authentic travel and identity Documents Online
Other EU Sources
European Environment Agency (EEA)
European Food Safety Authority (EFSA)
European Union Agency for Network and Information Security (ENISA)
European Nature Information System (EUNIS) biodiversity database
ECHA-term: multilingual terminology in the chemicals field (European Chemicals Agency)