To search in Wikipedia enter the keyword(default is 'w') and your request after a space. You can also specify a language different from the default by adding to the keyword sign '-' and the language code. Example 1: 'w gnome' - look for the 'gnome' in Wikipedia specified by default in the configuration of extension. Example 2: 'w-es gnome' - will look for the 'gnome' in the Spanish Wikipedia. Shortcuts: <Super>w - to search from clipboard <Super><Shift>w - to search from primary selection

Extension Homepage https://github.com/awamper/wikipedia-search-provider