Wikipedia Lookup Extension looks up the currently selected word in the whole Wikipedia encyclopedia, in the language specified in your user preferences.

Simply put, Wikipedia Lookup Extension search for any possible word in the Wikipedia encyclopedia in any available language.

Requirements:

· Firefox 1.0 to 3.6

What's New in This Release: [ read full changelog ]

· The code for this add-on has been pretty much untouched for the past 5 years, but it's now been completely rewritten to comply with the new and stricter review process of the Mozilla Foundation.