Glossary search results: 9

Densitometera quality control device to measure the density of printing ink
Densitythe degree of color or darkness of an image or photograph
Diemetal rule or imaged block used to cut or place an image on paper in the finishing process
Double-sidedsee duplex category
Drilltypically 3 or 5 circular holes on the binding-edge of a sheet of paper, created by drilling through paper 
 * 3 hole and 5 hole with 5/16" drill is standard 

Drop folda set of multiple pages that fold together, dropped by hand into machine
DSdouble-sided (see duplex category)
Duotonea halftone picture made up of two printed colors