Dahlgren |
|
A dampening system for printing presses which utilizes more alcohol (25%) and less water; this greatly reduces the amount of paper that is spoiled. |
|
Dampening |
|
An essential part of the printing process whereby cloth covered rubber rollers distributes the dampening solution to the plate. |
|
Dandy roll |
|
During the paper making process while the paper is still 90% water, it passes over a wire mesh cylinder (dandy roll), which imparts surface textures on the paper such as wove or laid. This is also the stage where the watermark is put onto the paper. |
|
Deckle edge |
|
The rough or feathered edge of paper when left untrimmed. |
|
Deep etching |
|
The etching or removal of any unwanted areas of a plate to create more air or white space on the finished product. |
|
Delete |
|
An instruction given to remove an element from a layout. |
|
Demy |
|
A term that describes a standard sized printing paper measuring 17.5 x 22.5 in. |
|
Densitometer |
|
An optical device used by printers and photographers to measure and control the density of color. |
|
Density |
|
The lay of paper fibers relative to tightness or looseness which affects the bulk, the absorbency and the finish of the paper. |
|
Density |
|
The degree of tone, weight of darkness or color within a photo or reproduction; measurable by the densitometer. Reference, densitometer. |
|
Descender |
|
A term that describes that portion of lower case letters which extends below the main body of the letter, as in "p". |
|
Diazo |
|
A light sensitive coal tar product used as a coating on presensitized plates, as well as overlay proofs. |
|
Die |
|
An engraved stamp used for impressing an image or design. |
|
Die cutting |
|
A method of using sharp steel ruled stamps or rollers to cut various shapes i.e. labels, boxes, image shapes |
|
Die Cutting |
|
The process of cutting paper in a shape or design by the use of a wooden die or block in which are positioned steel rules in the shape of the desired pattern. |
|
Die stamping |
|
An intaglio process for printing from images engraved into copper or steel plates. |
|
Digest |
|
A common size of publication. Roughly 5 1/2" x 8 1/2". |
|
Digital Proof |
|
Color separation data is digitally stored and then exposed to color photographic paper creating a picture of the final product before it is actually printed. |
|
Dimensional stability |
|
The qualities of paper to stabilize its original size when undergoing pressure or exposed to moisture. |
|
Diploma |
|
A fine paper made specifically for the printing of diplomas, certificates and documents. |
|
Direct screen halftone |
|
A color separation process using a halftone negative made by direct contact with the halftone screen. |
|
Display type |
|
Any type that stands out from the rest of the type on a page which attracts attention of the reader. |
|
Distribution rollers |
|
In the printing process, the rubber coated rollers responsible for the distribution of ink from the fountain to the ink drum. |
|
Doctor blade |
|
A term in gravure printing which refers to the knife-edge that runs along the printing cylinder; its function is to wipe the excess ink away from the non-printing areas. |
|
Dot |
|
The smallest individual element of a halftone. |
|
Dot gain |
|
Terms to describe the occurrence whereby dots are printing larger than they should. |
|
DPI |
|
Dots per inch. Refers to the number of dots per inch that an output device can produce, such as a laser printer or an image setter. |
|
Draw-down |
|
A method used by ink makers to determine the color, quality and tone of ink. It entails the drawing of a spatula over a drop of ink, spreading it flat over the paper. |
|
Drier |
|
A term that describes any additives to ink which encourages the drying process. |
|
Drill |
|
The actual drilling of holes into paper for ring or comb binding. |
|
Drop shadow |
|
A shadow image placed strategically behind an image to create the affect of the image lifting off the page. |
|
Dry mount |
|
Pasting with heat sensitive adhesives. |
|
Ductor roller |
|
The roller between the inking and the dampening rollers. |
|
Dull finish |
|
Any matte finished paper. |
|
Dummy |
|
A term used to describe the preliminary assemblage of copy and art elements to be reproduced in the desired finished product; also called a comp. |
|
Dummy |
|
A 3 dimensional model. It is a mock up generally used to figure out a pagination sequence in multi page printing. A folded up piece of paper with page numbers written on it. Also a stupid guy. |
 |
Duotone |
|
A two-color halftone reproduction generated from a one-color photo. |
|
Duplex paper |
|
Paper which has a different color or finish on each side. |
|
Dutch |
|
Any deckle edged paper, originally produced in the Netherlands. |
|
Dye based ink |
|
Any ink that acquires its color by the use of aniline pigments or dyes. Reference aniline |
|