Google Dictionary for Chrome is a handy extension that allows you to look up a word and display its definition without changing the webpage. You only need to select or to double click a word in order to display the definition.
You can display full details about the word by opening the popup window from the main button of the extension. The foreign words are translated in the default language of the extension.
Note: In order to install the extension you need to drag and drop the downloaded file in the Extensions tab.
· Google Chrome