Fine Print Knowledge Center
The online guide to print and design.
- Hot Foil Stamping
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The process of applying foil to a sheet or cover by applying heat and pressure. Hot foil stamping requires special equipment and dies similar to those used for debossing.
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- Hot Java
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- Hot Melt Adhesive
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A solid thermoplastic material that liquifies when heated and then when it cools it resolidifies to form a bond.
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- Hot Shoe
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The component on a digital camera frame that allows a flash unit to be attached and synchronized with the camera’’s shutter.
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- Hot Spot
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1. A printing defect caused when a piece of dirt or an air bubble caused incomplete drawdown during platemaking, leaving an area of weak ink coverage or visible dot gain.
2. An area on a Web site, that when selected, displaces some type of action. Selecting an image may bring up a description pertaining to that image or it may bring up an enlarged view of that image.
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- Hot Spot Carbon
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Hot spot carbon is carbonizing ink applied to selective areas on the back of a sheet. It allows image transfer to the sheet below in these carbonized areas. Hot spot carbon is used for selective imaging on multiple part forms and mailers.
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- Hot Stamping
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A printing process where a heated die is stamped onto a sheet of foil, causing the foil to release from the backer onto the material being printed.
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- Hot Type
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Metal type used for letterpress printing. Named “hot type” because the type was “cast” from hot liquefied metal.
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- Hot-Foil
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A printing technique using very thin aluminium foil in a variety of metallic colours, such as gold, silver, red and blue. The metallic foil is released from carrier base onto a substrate by the application of heat and pressure from a metal printing plate which bears the image to be hot-foiled.
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- Hotlink
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- Hotlist
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A list of URLs within a particular Web document created by the user.
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- House List
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- House Organ
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- House Sheet
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A paper that is kept in stock by a printer so it is readily available. It is generally something that can be used for a wide variety of printing jobs
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- House Style
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The style of preferred spelling, punctuation, hyphenation and indentation used in a publishing house or by a particular publication to ensure consistent typesetting.
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- House Typeface
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The typeface employed by a company for most or all of its communications.
Some publishing houses also use a standard typeface for their publications in order to make these products more identifiable.
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- HPGL
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Hewlett-Packard Graphic Language
A command language for driving plotters developed by the Hewlett-Packard company.
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- HSB
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A color model that describes colors in the same way as the human eye perceives them, using hue, saturation (or chroma) and brightness (or luminance).
The hue is defined by its position in a color circle and is specified by an angle lying between 0 and 360 degrees.
The saturation corresponds to the amount of gray in the color mixture and has a value between 0 percent for gray and 100 percent for pure color.
The values for brightness also range from 0 percent for black and 100 percent for white.
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- HSL
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- HSV
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A system for describing colors defined by Hue (tint), Saturation (or shade) and Value (tone).
An alternate term for HLS.
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- HSWO
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Heat Set Web Offset
A rotary printing process using heat to set the in. A cylinder transferring the image from the printing plate to blanket to paper at speeds of 30000 or more impressions per hour.
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- HTML
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Hypertext Markup Language
A page description language used for formatting documents for the Internet.
HTML makes it possible to create links between different Web sites and to present multimedia material.
With the help of a web browser, HTML documents can be read by any computer with a standard operating system.
A distinctive feature of these pages is that they do not have a fixed typography. The reader determines the typeface and font size, with which they will appear.
HTML documents use the .html or .htm file extension.
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- HTTP
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Hypertext Transport Protocol
A data request protocol used for the Internet and based on the TCP/IP network protocol, HTTP is used to organize communication between an Internet server and the user’s browser.
It defines how messages are formatted and transmitted.
HTTP sets up a new connection to the server every time a browser requests data.
The protocol that is used to transfer HTML files over the World Wide Web.
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- HTTPD
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Hypertext Transport Protocol Daemon
A type of information server using the HTTP protocol.
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- Hue
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1.An attributes of color that signifies its dominant wave length within the visible spectrum and makes it different from other colors.
2.A term used in the context of a color space to identity the exact shade of a piece of paper. Not to be confused with whiteness, which is a different property of paper.
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- Humidity
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The level of moisture in the air. The humidity will affect the paper and other printing products, which may cause problems in the printing process.
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- HWC
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HWC, LWC, MFC, MWC, SC, ULWC
Standard international acronyms for weights and grades of papers used in rotary offset and letterpress printing.
Coated stock can be identified HWC (heavy-weight coated), MWC (medium-weight coated), LWC (lightweight coated), or ULWC (ultra-lightweight coated).
All are wood pulp-based, but available in many varieties. MFC (machine-finished coated) paper is made primarily from ground wood pulp, has a grammage of 48 to 80 gsm, and may be high volume.
LWC paper is particularly lightweight stock for use on rotary offset machines. SC (supercalendered) paper is an uncoated wood pulp stock based mainly on ground wood and recycled content.
It features an additional finish applied by a separate supercalender.
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- Hydra Pulper
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Vat with a special type of agitator used to hydrate and prepare pulp for papermaking.
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- Hydration
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A papermaking process that involves beating the pulp so as to increase its ability to hold water and produce a paper with the proper moisture content.
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- Hydroelectric/Hydropower
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Energy harvested by directing water through a turbine connected to an electrical generator, thereby converting the kinetic energy of moving water into electrical energy. Hydroelectricity is a renewable energy source.
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