quarto

名词 quarto:

1. the size of a book whose pages are made by folding a sheet of paper twice to form four leaves
   同义词：4to

quar.to

n.（名词）
【复数】 quar.tos 缩写 q.,Q.,qto.
The page size obtained by folding a whole sheet into four leaves.
四开：将一张纸折叠成四页而获得的纸张尺寸
A book composed of pages of this size.
四开本：由这样大小的纸张组成的书籍

来源：
Short for Middle English (in) quarto [(in) the fourth part (of a sheet)]
中古英语 (in) quarto的简写 [（位于一张纸的）第四部分]
from Medieval Latin (in) qu3rtô
源自 中世纪拉丁语 (in) qu3rtô
from Latin [ablative of] qu3rtus [fourth] * see k wetwer-
源自 拉丁语 [] qu3rtus的夺格 [第四] *参见 k wetwer-