A "staircase" or jagged effect that occurs when display
resolution is too coarse to minimize the broken or crooked appearanceof
certain electronic design elements. Aliasing is more visually pronounced
in diagonal lines, c u rve s , and circles.
Water-based coating applied like ink by a printing press to protect
and enhance the printed surface.
The part of a lower case letter which rises above the main body,
as in "b" or "d."
In offset printing, a rubber-surfaced fabric that is clamped around
a cylinder. The image is transferred from the plate tothe blanket,
and from there, transferred to the paper.
Printed image which extends beyond the trim edge of the sheet or
Cast Coated Paper
Paper dried under pressure against a heated, polished cylinder to
produce a high-gloss enamel finish.
Abbreviation for cyan, magenta, yellow, and key (black), the four
Paper with a coating of clay or other substances that improves reflectivity
and ink holdout.
3M’s negative overlay proofing films which visually simulate process
The four-color negatives or positive that are the result of changing
full color photos or art into the four process colors (see CMYK)
by the use of filters.
Describes a system in which the use of desktop publishing software,
electronic prepress workstations, and platesettersallows the imaging
of metal plates for any format of press without the use of film,
stripping, or traditional platemaking.This process results in lower
costs while shortening the amount of time needed to get a job on
the press. Sometimes also called C2P to distinguish it from CTP,
Describes a printing system that includes desktop publishing software,
electronic prepress workstations, and a new typeof press which is
capable of rapidly changing the images it is printing without the
use of removable plates. Sometimescalled CTP to distinguish it from
C2P, or computer-to-plate.
The amount of ink on a page or sheet, usually given in percentages.
Symbols placed in the margin outside the image area that indicate
to the printer and bindery the area to be printedand/or trimmed
from the final image.
The distortion of paper due to differences in structure or coatings
from one side to the other or from absorption ofmoisture on the
The part of a lower case letter which extends below the main body,
as in "p."
Device for cutting, scoring, stamping, embossing, or debossing.
Printing from lettering or other designs engraved into copper or
steel. Also called the intaglio process, it is used for theproduction
of letterheads, business cards, etc.
Using sharp steel rules to cut special shapes from printed sheets.
Diecutting can be done on either flatbed or rotary presses.
The increase in the printing dot size from the halftone film to
the printed substrate resulting in darker tones.
Sample of inks specified for a job applied to the substrate specified
for a job.
The technique that can give a mediocre photo greater contrast by
photographically removing some dots to create highlights that show
the actual white of the paper.
Two films are made by changing the screen angle for each, and one
plate is made for each film. A duotone is printed in two colors,
but both plates can be used for the same color ink for maximum contrast.
When using black ink this is called a "double black."
A measure of space exactly as high and wide as the point size of
the type face being used.