encyclopedia encyclopedia /ɪnˌsaɪkloʊˈpiːdiːə/

noun

1. () 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  ( cyclopaedia [Archaic] , cyclopedia [Archaic] , encyclopaedia [British] , encyclopedia )
   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
    The encyclopedia is a great source of information on a wide range of topics
   The encyclopedia is a great source of information on a wide range of topics