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encyclopedia noun
(also encyclopaedia) 
/ɪnˌsaɪ.kləˈpiː.di.ə/ n [C]
/ɪnˌsaɪ.kləˈpiː.di.ə/ n [C] Definition
a book or set of books containing many articles arranged in alphabetical order which deal either with the whole of human knowledge or with a particular part of it
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(Definition of encyclopedia noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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