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Glossary

(Printing Industry Terminology)

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Densitometer
A device used to measure density.
Density
In regard to ink, the relative thickness of the layer of printed ink. Also known as Ink Density.
Density Range
The range from the smallest highlight dot to the largest shadow dot.
Die
Hand built device used for cutting, scoring, stamping, embossing or debossing.
Die Cutting
The use of sharp steel rules to cut special shapes from printed sheets.
Dot Gain
Enlargement of the halftone dot between plate and print, which is assessed and compensated for in reproduction.
Double Hit
Printing a single plate twice (usually black) so it has two layers of ink, usually used to make darker blacks when running a 2-color print job instead of using 4 process colors to make a rich black.
DPI
"Dots Per Inch". The number of dots that fit horizontally and vertically into a one inch area. A general rule, the higher the DPI, the sharper the printed image.
Drawdown
A on-press test of ink color on actual paper stock that will be used for the job to evaluate how it will look.
Dry Back
Printed ink colors becoming less dense or vivid as the ink dries.
Dry Trap
Printing over dry ink with a separate pass on the press.
Dummy
A sample of a proposed job made up with actual materials, cut to correct size to show bulk, weight, style and binding. It is also a complete layout of a job showing position of images and type, illustrations, page order, etc.
Duotone
Reproduction of a black and white image in two colors, usually black and another color. One color usually is assigned to the highlight areas while the other stresses shadows.