noun
enlarged and revised edition
Used for books, dictionaries, or other publications that have been expanded and corrected from a previous version.
この辞書の増訂版は来年出版される予定です。
An enlarged and revised edition of this dictionary is scheduled to be published next year.
新版 is a new edition, which can be a simple reprint or a major revision; 増訂版 emphasizes both expansion and revision.
Compound of 増 (ぞう, 'increase'), 訂 (てい, 'correction'), and 版 (ばん, 'edition').