無む線せん綴とじ

noun

perfect binding; unsewn binding

A bookbinding method where pages are glued together at the spine without sewing. Common in paperback books and magazines.

• この文ぶん庫こ本ぼんは無む線せん綴とじで製せい本ほんされている。

  This paperback is bound using perfect binding.

• 無む線せん綴とじはページを接せっ着ちゃく剤ざいで固かためる製せい本ほん方ほう法ほうです。

  Perfect binding is a bookbinding method that secures pages with adhesive.