Hairline (Rule)
|
Subjective term referring to very small space, thin line or close register. The meaning depends on who is using the term and in what circumstances |
Half-scale Black
|
Black separation made to have dots only in the shadows and midtones, as compared to full-scale black and skeleton black |
Halftone
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Using small dots to produce the impression of a continuous-tone image. The effect is achieved by varying the dot size and the number of dots per square inch. |
Halftone screen
|
A sheet of film or glass containing ruled right-angled lines, used to translate the full tone of a photo to the halftone dot image required for printing. |
Halo Effect
|
Faint shadow sometimes surrounding halftone dots printed. Also called halation. The halo itself is also called a fringe |
Hard Dots
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Halftone dots with no halos or soft edges, as compared to soft dots |
Hard Mechanical
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Mechanical consisting of paper and/or acetate and made using paste-up techniques, as compared to electronic mechanical |
Head(er)
|
At the top of a page, the margin |
Head-to-tail
|
Imposition with heads (tops) of pages facing tails (bottoms) of other pages |
Heat-set Web
|
Web press equipped with an oven to dry ink, thus able to print coated paper |
Hickey
|
The effect that occurs when a spec of dust or debris (frequently dried ink) adheres to the printing plate and creates a spot or imperfection in the printing. |
High-fidelity Color
|
Color reproduced using six, eight or twelve separations, as compared to four-color process |
High-key Photo
|
Photo whose most important details appear in the highlights |
Highlights
|
The lightest tones of a photo, printed halftone or illustration. In the finished halftone, these highlights are represented by the finest dots. |
Hinged Cover
|
Perfect bound cover scored 1/8 inch (3mm) from the spine so it folds at the hinge instead of, along the edge of the spine |
HLS
|
Abbreviation for hue, lightness, saturation, one of the color-control options often found in software, for design and page assembly. Also called HVS |
Hot melt
|
An adhesive used in some binding processes, which requires heat for application. |
Hot Spot
|
Printing defect caused when a piece of dirt or an air bubble caused incomplete draw-down during contact platemaking, leaving an area of weak ink coverage or visible dot gain |
House sheet
|
This is a term that refers to a paper that a printer keeps on hand in their shop. |
Hue
|
A specific color such as yellow or green |
