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English definition of “folio”

folio

noun [C]     /ˈfəʊ.li.əʊ/ US  /ˈfoʊ.li.oʊ/ (plural folios)
a book made of paper of a large size , especially one of the earliest books printed in Europe Kinds of books a single sheet of paper from a book Books and parts of books
(Definition of folio noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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