开本 Save Sign in to save words Traditional (Taiwan): 開本 kāiběn ㄎㄞ ㄅㄣˇ book format based on how a full printing sheet is cut or folded (often abbreviated to 开 kāi after a numeral, e.g. 16-kai and 32-kai, roughly A4 and A5 respectively) Character by character 开(kāi)open 本(běn)root A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0