The direction perpendicular to the orientation of the paper fibers (or grain), also called across-the-grain, as opposed to with-the-grain. See Grain.

The original name for 5H-point type. Originally, type size was expressed using names, not numbers. Although this tradition is no longer in use, the term agate is still used to refer to 5H-point type, …

The ability of a substance—such as an ink film, a substrate, or printed piece—to resist deteriorating upon exposure to oxygen, heat, light, or internal chemical action. Also known as permanence.

A property of a printing ink that determines its ability to retain its optical and structural properties at a particular temperature for a specified period of time.

Any chemical, physical or mechanical substance or material used to enhance or facilitate a desired effect, such as anemulsifying agent, or a wetting agent. In multimedia, an agent is any animated …

Any sum or mass of particular objects, used to refer to a string or chain of clusters of undispersed particles of printing ink pigment. Such clusters can have deleterious effects on …