乱らん丁ちょうらんちょうMeanings1nounincorrect collating; pages out of orderRefers to a bookbinding error where pages are bound in the wrong sequence. Used in publishing and printing contexts.この本ほんは乱らん丁ちょうがあったので交こう換かんしてもらった。This book had pages out of order, so I had it exchanged.