八やつ折おり判ばん

noun

octavo; 8vo

A book format where each sheet is folded into eight leaves (16 pages). Used in publishing and bibliography.

• この本ほんは八やつ折おり判ばんで、手てに持もちやすいサイズです。

  This book is in octavo format, a size that's easy to hold.

• 古ふるい聖せい書しょは八やつ折おり判ばんで印いん刷さつされることが多おおかった。

  Old Bibles were often printed in octavo.