folio

noun

/ˈfəʊliəʊ/

(plural folios)

a book made with large sheets of paper, especially as used in early printing（尤指早期印刷的）对开本
- a folio edition对开本, 对摺本
(specialist) a single sheet of paper from a book（书籍的）一页Topics Literature and writingc2

词源late Middle English: from Latin, ablative of folium ‘leaf’, in medieval Latin used in references to mean ‘on leaf so-and-so’. The original sense of in folio (from Italian in foglio) was ‘in the form of a full-sized sheet or leaf folded once’ (designating the largest size of book).

词汇	folio
释义	folio noun /ˈfəʊliəʊ/ /ˈfəʊliəʊ/ (plural folios) a book made with large sheets of paper, especially as used in early printing（尤指早期印刷的）对开本 a folio edition对开本, 对摺本 (specialist) a single sheet of paper from a book（书籍的）一页Topics Literature and writingc2 词源late Middle English: from Latin, ablative of folium ‘leaf’, in medieval Latin used in references to mean ‘on leaf so-and-so’. The original sense of in folio (from Italian in foglio) was ‘in the form of a full-sized sheet or leaf folded once’ (designating the largest size of book).
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