#encyclopedia__cyclopedia__encyclopaedia__cyclopaedia  a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
  supertype:  reference_book__referencebook__reference__reference_work__referencework__book_of_facts  a book to which you can refer for authoritative facts; "he contributed articles to the basic reference work on that topic"
  subtype:  book_of_knowledge  an elementary encyclopedia dealing with general knowledge

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