Definition of encyclopedia noun from the Oxford Advanced Learner's Dictionary



(British English also -paedia) noun
BrE BrE//ɪnˌsaɪkləˈpiːdiə//
; NAmE NAmE//ɪnˌsaɪkləˈpiːdiə//
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a book or set of books giving information about all areas of knowledge or about different areas of one particular subject, usually arranged in alphabetical order; a similar collection of information on a website or CD-ROM a children’s encyclopedia an encyclopedia of music an online encyclopedia I looked the Civil War up in my encyclopedia. There are over 20 000 entries in the encyclopedia. Word Originmid 16th cent.: modern Latin, from pseudo-Greek enkuklopaideia for enkuklios paideia ‘all-round education’.
See the Oxford Advanced American Dictionary entry: encyclopedia

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