Fine Print School | Glossary: H

Helvetica: A popular typeface used in typesetting. It is a sans serif (without serifs) type style.

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Hemicellulose: A constituent of woods that is, like cellulose, a polysaccharide, but less complex and easily hydrolysable.

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Hermann, Caspar (1871-1934): A pioneer in offset printing.

After Ira Washington Rubel came out with the first offset printing press in 1904, Hermann converted book printing rotary presses into offset printing presses, beginning with the one he produced for the Harris Automation Press Company in Niles, Ohio.

The first German offset printing presses were manufactured in the same manner starting in 1907.

Hermann also designed the world’s first rotary offset printing press, which was patented in Germany the same year, and the so-called satellite printing system in 1922.

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Hertz: A term that represents a unit of measurement for frequency.

It is expressed as cycles or oscillations per second.

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Heterogeneous Network: A term used to describe a communications network using more than one protocol, such as IP, DECnet, and AppleTalk.

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Heuristic: Encouraging people to solve problems with experimentation and trial and error methods; a self-learning method.

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Hexachrome: A recently introduced six-color process printing system from Pantone, Inc.

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Hexadecimal: A number system with a base of 16. 0-9 and A-F are used to represent the digits.

The format is #rrggbb, where rr, gg, and bb are two-digit hexadecimal values for the red, green, and blue components of the color. 00 is the minimum value and FF is the maximum, 88 is the median.

For example, the color white is #FFFFFF, the color black is #000000, the color red is #FF0000, the color green is #00FF00, and the color blue is #0000FF.

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HHI: Household Income

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Hi-Fi Color: Short for High-Fidelity Color. A term that describes any color specification and printing system that enhances the traditional four-color process system, such as Hexachrome.

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Hickey: A spot on a printed sheet that appears as a small white circle with ink in the center, caused by particles such as dirt, dust, or bits of paper.

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Hickeys: Print defects caused by foreign matter on the blanket or plate.

Often appear in areas of solid ink coverage as dark specs surrounded by light rings of non-printed stock.

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Hierarchy: A layering of objects, of which are related, that descend from the top-most object, called the root, to lower levels that get more and more specialized.

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High (Hollow) Die: This is a device used to cut specified shapes out of label paper or other material where the die is open allowing the die-cut material to stack up within the die itself.

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High Bulk Paper: Paper that is relatively thick in comparison to its basis weight. High bulk paper lacks compactness and will yeild fewer sheets per inch than a lower bulk paper..

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High Conservation Value Forest: Forests that possess one or more of the following attributes:

a.) forest areas containing globally, regionally or nationally significant concentrations of biodiversity values (e.g. endemism, endangered species, refugia) and/or large landscape level forests, contained within, or containing the management unit, where viable populations of most if not all naturally occurring species exist in natural patterns of distribution and abundance

b.) forest areas that are in or contain rare, threatened or endangered ecosystems

c.) forest areas that provide basic services of nature in critical situations (e.g. watershed protection, erosion control)

d.) forest areas fundamental to meeting basic needs of local communities (e.g. subsistence, health) and/or critical to local communities’ traditional cultural identity (areas of cultural, ecological, economic or religious significance identified in cooperation with such local communities).

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High Contrast: In photography, describes a reproduction in which the difference in darkness between neighboring areas is greater than in the original.

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High Finish: A smooth, hard coating on paper.

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High Folio Binding Lap: The off-center folding of a signature face to backbone that uses the higher page numbers of the signature for the binding lap. The binding lap should be 3/8” and allows the signature to be opened to the center when saddle stitching. A High Folio Lap should be jogged to the head to prevent reverse lap feeding.

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High Intensity Bulbs: Exposure lamps that emit a greater intensity of light energy than standard bulbs. The use of these bulbs reduces exposure times in platemaking.

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High Key Halftone: A halftone that is made utilizing only the highlight tones down through the middle tones.

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High Key Picture: A continuous tone photo made up of predominantly highlight (white) areas.

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High Speed Steel: Is a term used to describe a wide range of steel alloys used for cutting tools. These materials incorporate varying amounts of many different elements (Tungsten, Molybdenum. Cobalt, etc.) to produce specific hardness and cutting characteristics. High Speed Steel tools are more resilient than those made from carbide, however they do not possess the hardness or abrasion resistance.

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High Spot: A term that is used to denote a highly regarded first or important edition of a book

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High Temperature Adhesive: Adhesive that will hold up when exposed to high temperatures.

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High-fidelity Printing (Hi-FI): High-fidelity color printing uses additional process inks, such as orange and green, to reproduce more of the color spectrum. The Pantone® Hexachrome system is an example of this.

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High-Gloss Paper: Paper that is cast-coated on one side and not calendered.

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High-Res: The resolution (Res) of an image indicates the number of dots per inch (dpi). High resolution is usually anywhere from 300 dpi to 2,500 dpi.

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High-Speed Printer: Computer which prints in excess of 300 lines per minute.

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Highlight: The lightest area in a photograph or illustration. When produced by a halftone, it is the area that has the fewest and smallest dots.

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Fine Print Knowledge Center

Glossary: H

Household Income