| Hairline register |
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Printing registration that lies within the range of plus or minus one half row of dots. It is the thinnest of the standard printers' rules. |
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| Halftone |
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The process of converting continuous tone photographs into dots. A screening process done on a camera at the film stage of the preprinting process. (see LPI) |
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| Halftone |
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The use of screening devices to convert a continuous tone image (such as a photo), into a reproducible dot pattern, which can be more easily printed. |
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| Halftone paper |
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A high finish paper that is ideal for halftone printing. |
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| Halftone screen |
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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. |
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| Hard Copy |
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Printed copy of the contents of a computer file. Also a show on T.V. that deals with real issues. (similar to a T.V. version of the National Enquir...) |
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| Hard dot |
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The effect in a photograph where a dot has such a small degree of halation that the dot shows quite sharp. |
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| Head margin |
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That space which lies between the top of the printed copy and the trimmed edge. |
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| Hickey |
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A term used to describe the effect that occurs when a spec of dust or debris (dried ink) adheres to the printing plate and creates a spot or imperfection in the printing. |
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| High bulk paper |
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Paper stock that is comparatively thick in relation to its basis weight. |
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| High key halftone |
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A halftone that is made utilizing only the highlight tones down through the middle tones. |
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| Highlights |
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The lightest tones of a photo, printed halftone or illustration. In the finished halftone, these highlights are represented by the finest dots. |
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| Hollow |
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That space on the spine of a case bound book between the block of the book and the case binding. |
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| Hot melt |
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An adhesive used in the binding process, which requires heat for application. |
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| House sheet |
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This is a term that refers to a paper that a printer keeps on hand in his shop. |
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