Correct

开本

/ kāiběn /
Strokes

Definition

book format, similar to in-4°, in-8° etc (a 16-kai format 1616开[shí liù kāi] is roughly A4)/abbr. to 开[kāi]

Example

As a Noun

format; book size

1
Gāi
chūbǎnshè
出版社
chūbǎn
出版
zhǒng
各种
tóng
不同
kāi
běn
de
shū
  

The publishing house produces in all kinds of formalities.

2
Xiǎo
kāi
běn

small edition

3
Shíliù
十六
kāi
běn

sextodecimo; sixteenmo; 16mo; 16°

4
kāi
běn

quarto

5
kāiběn
开本

octavo; 8vo

6
Chūbǎn
出版物
kāiběn
开本

format of publication