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An encyclopedia or encyclopaedia (also spelled encyclopædia, see spelling differences)  is a type of reference work or compendium holding a comprehensive summary ...
Site Language Description Access; Encyclopedia of Mathematics: English: Encompasses articles on the topic of mathematics: Free: Encyclopedia of Triangle Centers
Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and Web sites.
Encyclopedia. Containing over 100,000 terms, TheFreeDictionary's Encyclopedia is compiled from a number of sources, including The Columbia Encyclopedia®.
If you read an entire encyclopedia, you might learn something about nearly everything, and, suitably, the original sense of the word encyclopedia was “general ...
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noun 1. a book, set of books, optical disc, mobile device, or online informational resource containing articles on various topics, usually in alphabetical arrangement ...
A current and comprehensive encyclopedia covering all the major branches of knowledge from astrophysics to Zimbabwe.
An encyclopedia (or encyclopædia, cyclopædia, encyclopaedia) is a collection (usually a book) of information about things humans know. Whether it is published on ...