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English definition of “encyclopedia”

encyclopedia

noun [C] uk (also encyclopaedia)   /ɪnˌsaɪ.kləˈpiː.di.ə/ us  
a book or set of books containing many articles arranged in alphabetical order that deal either with the whole of human knowledge or with a particular part of it, or a similar set of articles on the internet: The Cambridge Encyclopedia of Language
(Definition of encyclopedia from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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