n. Sheets of paper, usually tissue, inserted between the pages of a book or album, especially between illustrative plates and text. Blank sheets bound in a work that are intended for taking notes. The process of inserting such sheets. Audiovisual RecordsIn NTSC, a blend of two video fields to create a single frame, each field contributing every other scan line.


A single sheet of interleaving is an interleaf. Interleaving1, 2 is often inserted during printing and binding between the front of printed, illustrative plates and adjacent pages to prevent transfer of inks. The sheets may be bound in, tipped to the plate, or loose. Interleaving made from high-quality paper, often with an alkaline reserve, may be placed in a scrapbook or photo album to prevent contamination between materials on facing pages.