開本 kāi běn

DEFINITIONS

  1. book format, similar to in-4°, in-8° etc (a 16-kai format 16開|16开[shi2 liu4 kai1] is roughly A4)
  2. abbr. to 開|开[kai1]

CHARACTERS

開 kāi open; initiate, begin, start
本 běn
HSK 1
root, origin, source; basis