sixty-fourmo

sixty-fourmo

(ˌsɪkstɪˈfɔːməʊ) n, pl -mos1. (Printing, Lithography & Bookbinding) a book size resulting from folding a sheet of paper into 64 leaves or 128 pages, each one sixty-fourth the size of the sheet. Often written: 64mo or 64° 2. (Printing, Lithography & Bookbinding) a book of this size