octavo，英语单词，主要用作名词，作名词时译为“八开本；八开纸”。
单词用法
柯林斯英汉双解大词典
octavo /ɒkˈteɪvəʊ/
1.N a book size resulting from folding a sheet of paper of a specified size to form eight leaves 八开本 (Also called eightvoOften written 8vo, 8°)
短语搭配
large octavo 大八开本
medium octavo 中型八开本
royal octavo 八开纸
O octavo 八开本
quadragesimo-octavo 四十八开本
Anno Octavo Annae Reginae 安妮女王法令
short slip octavo 横八开本
medium frequency transformer octavo 八开本