Portuguese has around 220 million native speakers worldwide. It is an official language of Portugal, Brazil, Cabo Verde, Guinea-Bissau, Mozambique, Angola and São Tomé and Príncipe. It is also an official language in Timor-Leste, Equatorial Guinea and Macau in China.
Portuguese is regulated by 
Lisbon Academy of Sciences (in Portuguese) and Brazilian Academy of Letters (in Portuguese). Dialects can be broadly divided into Brazilian Portuguese (spoken in Brazil) and European Portuguese, while African Portuguese tends to be more closely related, in written form, to European Portuguese. Portuguese-based creole languages are spoken in Cabo Verde, Guinea Bissau.
Official Collins English-Portuguese Dictionary online. Over 100,000 Portuguese translations of English words and phrases
Porto Editora
Portuguese-Portuguese Dictionary
- English
- Portuguese
- Spanish
- French
Multilingual, structured and controlled vocabulary designed to cover the terminology of all subject fields in agriculture, forestry, fisheries, food and related domains
- English
- Portuguese
U.S. Department of Agriculture, Forest Service
- English
- Portuguese
English Made in Brazil - Glossary of terms used in Agriculture
- English
- Portuguese
English Made in Brazil - Glossario of terms used in human resources
- English
- Portuguese
English Made in Brazil - Glossario of terms used in Finance Accounting & Legal
- English
- Spanish
- French
- Portuguese
- Italian
- Swedish
- Finnish
- Arabic
- Russian
- French
- Spanish
- Portuguese
- English
- Chinese
The IMF TermBase contains over 17,000 entries and acronyms encountered in IMF documents in areas such as money and banking, public finance, balance of payments, and economic growth.
- English
- Portuguese
Sociedade Portuguesa de Estatística
- English
- Portuguese
- English
- Spanish
- Portuguese
- French
- English
- Spanish
- French
- German
- Italian
- Portuguese
- Swedish
- Greek
- Czech
- Polish
IATE (Interactive Terminology for Europe) is the EUs terminology database. It has been used in the EU institutions and agencies since summer 2004 for the collection, dissemination and management of EU-specific terminology.
- Portuguese
- English
- French
- Turkish
- Polish
- Arabic
- Danish
The ISI glossary of statistical terms in a number of languages some of which use special acters.
- Portuguese
- English
- Portuguese
- English
- French
- German
- Spanish
- Chinese
- Portuguese
- Polish
- Norwegian
- English
- Portuguese
- French
- Spanish
A unique language in indexing articles from scientific journals, books, congress proceedings, technical reports, and other types of materials
- Danish
- Dutch
- English
- French
- German
- Italian
- Spanish
- Portuguese
Glosario de términos técnicos médicos -
- Portuguese
- English
- English
- Arabic
- Japanese
- Italian
- Korean
- Chinese
- Russian
- Portuguese
UIS on-line multi-lingual dictionary of caving and speleological terms
- Chinese
- English
- Italian
- Japanese
- French
- Swedish
- Russian
- Portuguese
Guia de estilo - Centro de Informação Europeia Jacques Delors
Livro de Estilo da Lusa - Agência de Notícias de Portugal
The style guide covers guidelines and recommendations for translating the Microsoft voice into Portuguese (Brazil)
The style guide covers guidelines and recommendations for translating the Microsoft voice into European Portuguese
Style guide for legal texts
Style Guide from Público (Portuguese daily national newspaper )
Style Guide - info-Ciências digital