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An online thesaurus and dictionary of over 145,000 words that you explore using an interactive map. It’s a tool for people who think visually. The most fun you’ve ever had with words. The Visual Thesaurus was built using Thinkmap, a data visualization technology.

“Meta” means beyond, more comprehensive, or more highly organized, and with respect to other dictionaries and glossaries, MetaGlossary is all these things. MetaGlossary harvests definitions from the entire web, the world’s largest, constantly-updated repository of information. Hence, it surpasses traditional dictionaries, which grow more out of date with each passing day. MetaGlossary is as dynamic as the web, offering the most current information out there on the most contemporary topics.

Since its creation in 2001, Wikipedia has rapidly grown into the largest reference website on the Internet. The content of Wikipedia is free, and is written collaboratively by people from all around the world. This website is a wiki, which means that anyone with access to an Internet-connected computer can edit, correct, or improve information throughout the encyclopedia, simply by clicking the edit this page link (with a few minor exceptions, such as protected articles and the main page).