noun
expanded edition; revised and enlarged edition
Used especially for dictionaries and reference works that have been corrected and supplemented with new content.
この辞書の補訂版は来年出版される予定です。
The expanded edition of this dictionary is scheduled to be published next year.
増補版 is an enlarged edition that primarily adds new material, whereas 補訂版 includes both correction and supplementation.
Compound of 補 (supplement, compensate), 訂 (revise, correct), and 版 (edition).