Glossary of Printing & Digital Media Terms

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Term Definition
R Print:

Color photographic print made from transparency without using internegative.

Rag Paper:

Stationery or other forms of stock having a strong percentage content of "cotton rags."

Ragged Left:

T- ype that is justified to the right margin and the line lengths vary on the left.

Ragged Right:

T- ype that is justified to the left margin and the line lengths vary on the right.

Railroad Board:

Heavy board paper used for posters and signs.


A thick, coated paper used for signs; usually waterproof.

Rainbow Fountain:

Technique of putting ink colors next to each other in the same ink fountain and oscillating the ink rollers to make the colors merge where they touch, producing a rainbow effect.

Raised Cap:

A design style in which the first capital letter of a paragraph is set in a large point size and aligned with the baseline of the first line of text. Compare to a drop cap.

Raised Printing:

Alternate term for Thermography.


Random Access Memory. RAM temporarily "holds" programs and files while in use.

Random Proof:

Also called first submits, scatters, or loose proofs. A press proof or off-press proof of unstripped images. Generally the first proof to be evaluated, a random proof can be used for preliminary color OKs and color correction.

Ranged Left:

Text that is aligned on the left margin is said to be set flush left. If the same text is not aligned on the right margin, it is said to be set flush left, ragged right. The term ragged right is sometimes used alone to mean the same thing.

Ranged Right:

Type aligning vertically along the right side of the column. Also called Right Justified or Ranged Right.

Raster Image

In computer graphics, a raster graphics image, or bitmap, is a dot matrix data structure representing a generally rectangular grid of pixels, or points of color, viewable via a monitor, paper, or other display medium. Raster images are stored in image files with varying formats (see Comparison of graphics file formats). Raster graphics are resolution dependent. They cannot scale up to an arbitrary resolution without loss of apparent quality. This property contrasts with the capabilities of vector graphics, which easily scale up to the quality of the device rendering them. Raster graphics deal more practically than vector graphics with photographs and photo-realistic images, while vector graphics often serve better for typesetting or for graphic design. Modern computer-monitors typically display about 72 to 130 pixels per inch (PPI), and some modern consumer printers can resolve 2400 dots per inch (DPI) or more; determining the most appropriate image resolution for a given printer-resolution can pose difficulties, since printed output may have a greater level of detail than a viewer can discern on a monitor. Typically, a resolution of 150 to 300 pixel per inch works well for 4-color process (CMYK) printing.

Raster Image Processor:

A device or program that translates instructions from a computer to a page description language used by the output service.

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