Glossary of Terms

We take great pride in making our clients feel confident about their jobs during the production process. To help you gain a better understanding of what’s happening to your project, we’ve compiled a glossary of terms that we commonly use in our industry. If you have any further questions just call one of our customer service representatives, they will help you all the way through so you understand what is happening with you job.

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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.

Halftone

(1) To photograph or scan a continuous tone image to convert the image into halftone dots. (2) A photograph or continuous-tone illustration that has been halftoned and appears on film, paper, printing plate or the final printed product.

Halo Effect

Faint shadow sometimes surrounding halftone dots printed. Also called halation. The halo itself is also called a fringe.

Head(er)

At the top of a page, the margin.

Hickey

Spot or imperfection in printing, most visible in areas of heavy ink coverage, caused by dirt on the plate or blanket. Also called bulls eye and fish eye.

Highlights

Lightest portions of a photograph or halftone, as compared to midtones and shadows.

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

Paper kept in stock by a printer and suitable for a variety of printing jobs. Also called floor sheet.

Hue

A specific color such as yellow or green.

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