A Firefox add-on that lets you translate English words into other major languages.
Version:Translate from English to Spanish, Chinese, French, German, Italian, Russian, Portuguese, Polish, Turkish or Romanian. More than 1 million translations including pronunciation, synonyms, grammar and sample sentences.
Operating System: Mac OS X
The English multilingual dictionary extension allows you to translate English words. The English multilingual dictionary addon is cross-platform and it works on Mac OS X, Windows and Linux.
Additionally, Google search and Wikipedia search have been added to create an all-in-one toolbar.