sixmo

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sixmo

(ˈsɪksməʊ)
n, pl -mos
1. (Printing, Lithography & Bookbinding) Also called: sexto a book size resulting from folding a sheet of paper into six leaves or twelve pages, each one sixth the size of the sheet. Often written: 6mo or
2. (Printing, Lithography & Bookbinding) a book of this size