Glossary of Printing & Technical Terms

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

R

Registration marks:

Circles and lines that appear on the outside of the page area to ensure the plates are properly lined up during the printing process.

RGB:

Red, green, blue. Ad additive form of the four printing colours CMYK used on computers. RGB images should always be converted to CMYK for output.

Right reading:

Film that is read from left to right.

RIP:

Raster image processor. This is the technology that converts PostScript data to high resolution bitmaps.

Recto:

Right hand page of an open publication.

Reversed-out:

Type appearing white on a black or colour background, either a solid or a tint.

Resolution:

The number of dots per inch (dpi) in a computer-processed document. The level of detail retained by a printed document increases with higher resolution. ppi (pixels per inch) for an image.

Rosette:

The formation created by the dots that make up four-color images. The dots, in magenta (red), cyan (blue), yellow, and black, overlap each other in a cluster forming a rose petal shape.