The google dictionary extension allows you to know the meaning of any word on a web page by simply selecting the word and clicking on the dictionary button

You can download it in the chrome web store

This extension supports multiple languages and also can translate a foreign word to your default language

To set language click on the icon and go to extension options

With this extension you can also store the history of words you’ve looked up, so you can practice them later. Activate that option in extension options, word history and download your history.

Supported dictionaries:
– Brazilian Portuguese
– Chinese (Simplified)
– Chinese (Traditional)
– Czech
– Dutch
– English
– French
– German
– Italian
– Korean
– Russian
– Slovak
– Spanish