oblong binding
A bookbinding style where the binding is on the shorter side, resulting in a landscape-oriented book. Common for albums, sketchbooks, and some technical documents.
This album is oblong-bound, so the photos are large and easy to see.
Oblong-bound notebooks are convenient for landscape-oriented use.
Standard kanji spelling for oblong binding.
Mixed kanji-kana spelling; less common but still used.
Compound of 横 (yoko, 'horizontal') and 綴じ (toji, 'binding').