Gumming переводится на русский язык как "жевание жвачки".

Категория: не задано

In offset lithography, an alternate term for plate desensitization, performed by applying a solution of gum arabic or a synthetic material like dextrin to the plate surface. See Desensitization.

Gumming an uninked lithographic plate with gum arabic may blind the image, that is, render it non-ink receptive. Litho plate processors that apply a thin layer of gum to a new plate in the final stage of processing will typically use a dextrin based gum solution.