releasablebinding
nounUK /rɪˈliːsəbəl ˈbaɪndɪŋ/
US /rɪˈliːsəbəl ˈbaɪndɪŋ/
A binding is a way to hold papers together, and a releasable binding lets you open it and take the papers out without breaking it.
The teacher used a releasable binding so she could add new pages to the workbook later.
OTHER MEANINGS
2. A book fastening that can be unfastened and refastened many times.
The manual's releasable binding let him swap in updated chapters.
3. A temporary hold that can be undone without damage.
They chose a releasable binding for the draft so edits were easy.
4. A binding designed to let pages be added or removed.
The planner has a releasable binding for extra note pages.