A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #S
A
Accordion fold Folding paper by bending each fold in the opposite direction of the previous fold creating a pleated or accordion effect.
Anti-aliasing The process of averaging between pixels of different colors. This results is a smoother, more blended transition between the edge of two areas rather than a distinctly jagged appearance.

Aqueous Coating This clear coating is used to protect your printed pieces. It provides a high-gloss surface that deters dirt and fingerprints. Aqueous coating improves the durability of postcards as they go through the mail, and protects business cards as they ride around in people's pockets. It also looks beautiful on brochures, catalog covers, and stand-alone flyers.

B

Backslant Any type that tilts to the left or backward direction; opposite of italic type.

Base line The imaginary horizontal line upon which stand capitals, lower case letters, punctuation points, etc.
Basis weight Basis or basic weight refers to the weight, in pounds, of a ream (500 sheets) of paper cut to a given standard size for that particular paper grade.
Bleed Any element that extends up to or past the edge of a printed page. A design or bas relief impression that is made without using inks or metal foils.
Body In typography, the main shank or portion of a letter character other than the ascenders and descenders.
Bristol A board paper of various thicknesses having a smooth finish and used for printing or drawing.
Bulk A term given to paper to describe its thickness relative to its weight.
Bullet A boldface square or dot used before a sentence to emphasize its importance.
C
Case binding Books bound using hard board (case) covers.
Cast coated A paper that is coated and then pressure dried using a polished roller that imparts an enamel like hard gloss finish.
Center spread The two pages that face each other in the center of a book or publication.
Clip art Graphic images, designs, and artwork in digital form that can be used in a digital document.
Coarse screen Halftone screens commonly used in newsprint; up to 85 lines per inch.
Coated stock Any paper that has a mineral coating applied after the paper is made, giving the paper a smoother finish.
Cold color Any color that is toward the blue side of the color spectrum.
CollateTo gather sheets or printed signatures together in their correct order.
Color bars A color test strip that is printed on the waste portion of a press sheet. It helps a press operator to monitor and control the quality of the printed material relative to ink density, registration and dot gain. It can also include a Star Target, which is designed to detect inking and press problems.
Color correction Using a computer to adjust, change or manipulate a color image, such as retouching, adjusting color balance, color saturation, contrast, etc.
Color separation The processes of separating the primary color components (CMYK) for printing.
Contrast The degree of tonal separation or gradation in the range from black to white.
Cover A term describing a general type of paper used for the covers of books, pamphlets, etc., also used for business cards and postcards.
Crop To reduce the size of an image.
Cyan A shade of blue used in four-color process printing. The C in CMYK.
D

Densitometer An optical device used by printers and photographers to measure and control the density of ink or color.

Density The degree of tone, weight of darkness or color within a photo or reproduction measured by a densitometer.
Desktop Publishing Creating materials to be printed using a personal computer, as opposed to taking non-electronic documents to a commercial printing company to be prepared for printing.
Die Cutting The process of cutting paper in a shape or design by the use of a wooden die or block in which are positioned steel rules in the shape of the desired pattern.
Digital printing is the reproduction of digital images on physical surface, such as common or photographic paper, film, cloth, plastic, etc. It can be differentiated from litho printing in many ways. Every impression made onto the paper can be different. The Ink or Toner does not absorb into the paper, as does conventional Ink, but forms a layer on the surface. It generally requires less waste in terms of chemicals used and paper wasted in set up.
Digital Proof Color separation data is digitally stored and then exposed to color photographic paper creating a picture of the final product before it is actually printed with ink.
Dot The smallest individual element of a halftone.
Dot gain A term used to describe when dots are printing larger than they should.
Drop shadow A shadow image placed offset behind an image to create the affect of the image lifting off the page.
Dull finish A semi-gloss finish on paper that is less glossy than gloss and more than matte paper.
Dummy The preliminary assemblage of copy and art elements to be reproduced in the desired finished product, also called a comp.
Duotone A two-color halftone reproduction generated from a one color photo.
E

Electronic Proof A process of generating a prepress proof in which paper is electronically exposed to the color separation negatives and passed through electrically charged pigmented toners, which adhere electrostatically, resulting in the finished proof.

Embossing The molding and reshaping of paper by the use of special metal dies and heat, counter dies and pressure, to produce a raised image on the paper surface.
Enamel Another term for gloss coated paper.
F

Felt side The smoother side of a sheet in the paper. The wire side is the rougher side of the paper. The difference happens in the papermaking process. The differences are eliminated when papers are gloss or matte coated.

Finish The surface quality of a paper.
Fit The registration of the different colors on a printed sheet.
Foil Then metal that is applied to paper using the foil stamping process.
Font The characters which make up a complete typeface and size.
G

Ganging The combining of two or more different printing projects on the same sheet of paper.

Gate fold A three or four panel fold where the two outside panels fold inward to meet in the center. In an open gate fold, there are three panels, the bottom of which is twice the size of the folded panels. In a closed gatefold, there are four panels of roughly equal size where the outer panels are folded inward together.
Grain Paper fibers lie in a similar direction in a sheet of paper. This direction is called the grain. Printing is usually done so that if folding is required, the fold is done parallel to the grain.
Gravure A printing process using recessed areas on a metal cylinder that hold the ink.
Gripper edge The side of a piece of paper held by the gripper fingers as it passes through a printing press. Nothing can be printed in this area.
Gutter A blank space or margin between components on a printed piece or press sheet.
H

Halftone 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.
Highlights The lightest tones of a photo, printed halftone or illustration. In the finished halftone, these highlights are represented by the finest dots.
I

Image area That portion of a printing plate that carries ink and prints on paper.

Imposition The correct sequential arrangement of pages that are to be printed, along with all the margins in proper alignment, before producing the plates for printing.
Insert A piece of printed material that is inserted into another piece of printed material, such as a magazine or catalog.
Italic Text that is used to denote emphasis by slanting the type body forward.
J
Jacket Or dust jacket. The paper cover sometimes called the "dust cover" of a hardbound book.
Justification Adjusting the spacing or hyphenation of words and characters to fill a given line of text from end to end. Sometimes referred to as word spacing.
K
Kerning The narrowing of space between two letters so that they become closer and take up less space on the page.
Keyline Lines that are drawn on artwork that indicate the exact placement, shape and size of elements including halftones, illustrations, etc.
Kraft A coarse unbleached paper used for printing and industrial products.
L

Laid finish A parallel lined paper that has a handmade look.

Layout A rendition that shows the placement of all the elements, images, thumbnails etc., of a final printed piece.
Leading Space between lines of type. The distance in points between one baseline and the next.
Letterspacing The addition of space between typeset letters.
Linen A paper that emulates the look and texture of linen cloth.
Lithography The process of printing that utilizes flat or curved inked surfaces to create the printed images.
Logotype A personalized type or design symbol for a company or product.
M

M weight The actual weight of 1000 sheets of any given size of paper.

Magenta One of the four process colors, or CMYK, the M is for magenta. Magenta is a predominately red color with some blue. Magenta, cyan and yellow are also the three subtractive primary colors.
Matte finish A coated paper finish that goes through minimal calendaring.
Moiré An undesirable halftone pattern produced by the incorrect angles of overprinting halftone screens.
N

Natural A term to describe papers that have a color similar to that of wood, also called cream, off-white or ivory.

Newsprint A light, low-cost unbleached paper made especially for newspaper printing.
O

Offset An erroneous variation of the word "setoff". Ink that is unintentionally transferred from a printed sheet to the back of the sheet above it as the pieces are stacked in a pile when printed.

Offset printing is a widely used printing technique having many advantages compared to other printing methods incl. consistent high image quality. Offset printing produces sharper and cleaner images and type and quick and easy production of printing. Offset printing is the most common form of high volume commercial printing, due to advantages in quality and efficiency. Furthermore, many modern offset presses are using computer to plate systems as opposed to the older computer to film workflows, which further increases their quality.
Offset paper A term for sometimes used for uncoated book paper.
Onionskin A light bond paper used for typing and used with carbon paper because of its thinness.
Opacity Quality of papers that defines its opaqueness or ability to prevent two-sided printing from showing through.
Opaque ink Ink that completely covers any ink under itself.
Overprinting Any printing that is done on an area that has already been printed.
Overrun Quantities of sheets printed over the requested number of copies.
P
Pagination The numbering of individual pages in a multi-page document
Parchment A hard finished paper that emulates animal skin used for documents, such as awards, that require writing by hand.
Parent sheet A sheet that is larger than the cut stock of the same paper.
Perfect Binding A binding process where the signatures of a book are held together by a flexible adhesive.
Pica A typesetting unit of measurement equaling 1/6th of an inch.
Picking An occurrence in printing whereby the tack of ink pulls fibers or coating off the paper surface, leaving spots on the printed surface.
PMS The abbreviation of the Pantone Color Matching System.
Point A measurement unit equal to 1/72 of an inch. 12 points to a pica, 72 points to an inch.
PostScript A tradename of Adobe Systems, Inc. for its page description language. This language translates a digital file from an application into a language a compatible printer or other device can use to create its output.
Poster is any large piece of printed paper designed to be attached to a wall or vertical surface. Typically posters include both textual and graphic elements, although a poster may be either wholly graphical or wholly textual. Posters are designed to be both eye-catching and convey information. Posters may be used for many purposes, and they are a frequent tool of advertisers. Many printing techniques are used to produce posters. While most posters are mass-produced, posters may also be printed by hand or in limited editions. Most posters are printed on one side and left blank on the back, the better for affixing to a wall or other surface. Pin-up sized posters are usually printed on paper in full color. It is possible to use poster creation software to print large posters on standard home or office printers.
Premium Any paper that is considered better than grade #1 by its manufacturer.
Pressure-sensitive Self-adhesive paper covered by a backing sheet.
Process printing A system where a color image is separated into different color values (cyan, magenta, yellow and black or CMYK) by the use of filters and screens and then transferred to printing plates and printed on a printing press, reproducing the original color image.
Progressive proofs Any proofs made from the separate colors of a multi-color printing project.

Promotional items or promotional products include useful or decorative articles of merchandise are used in marketing and communication programs. The items are usually imprinted or decorated with a company's name, logo or message. Premiums, incentives, advertising specialties, business gifts, awards and commemoratives are also considered promotional products. To day, many more promotional products are distributed by businesses and organizations, sometimes with the assistance of a Promotional Consultant, to specific target markets to generate specific and measurable results. Examples of promotional items include logo-branded t-shirts, caps, keychains, bumper stickers, pens, badges and many other useful items

Q

Quark Short for QuarkXPress, one of the primary computer applications used in graphic design.

R
Ream500 sheets of paper.
Register The arrangement of two or more printed images in exact alignment with each other.
Register marks Any crossmarks or other symbols used on a press sheet to assure proper registration.
RGB The color space of Red, Green and Blue. These are the primary colors of light, which computers use to display images on your screen. An RGB computer file must be translated into the CMYK (the primary colors of pigment) color space in order to be printed on a printing press.
Right angle fold A term that denotes folds that are 90 degrees to each other.

Running head A title at the top of a page that appears on all pages of a book or chapter of a book.

S
Saddle stitch The binding of booklets or other printed materials by stapling the pages on the folded spine.
Safety paper A paper that shows sign of erasure so that it cannot be altered or tampered with easily.
Scoring To crease paper with a metal rule for the purpose of making folding easier.
Screen angles The placement of halftone screens to avoid unwanted moiré patterns. Frequently used angles are black 45º, magenta 75º, yellow 90º, and cyan 105º.
Screen printing is a printmaking technique that creates a sharp-edged image using a stencil. Screen printing is widely used today to create many mass or large batch produced graphics, such as posters or display stands. Full color prints can be created by printing in CMYK.  Screen printing is often preferred over other processes such as dye sublimation or inkjet printing because of its low cost and ability to print on many types of media. Screen printing is more versatile than traditional printing techniques. The surface does not have to be planar. Screen printing inks can be used to work with a variety of materials, such as textiles, ceramics, metal, wood, paper, glass, and plastic. As a result, screen printing is used in many different industries, from clothing to product labels to circuit board printing.
Screen ruling A measurement equaling the number of lines or dots per inch on a halftone screen.
Self cover A cover that is the same paper stock as the internal sheets.
Sharpen To decrease the dot size of a halftone, which in turn decreases the color strength.
Sheetwise The printing of two different images on two different sides of a sheet of paper by turning the sheet over after the first side is printed and using the same gripper and side guides.
Show through When the printing on one side of a sheet is seen from the other side, a frequent problem with thin papers.
Side stitch The stapling of sheets or signatures on the side closest to the spine.
Signature A printed sheet with multiple pages on it that is folded so that the pages are in their proper numbered sequence, as in a book.
Smoothness That quality of paper defined by its levelness that allows for pressure consistency in printing, assuring uniformity of print.
Spiral bind A type of binding where a metal or plastic wire is spiraled through holes drilled along the binding side of a document.
Stock A term for unprinted paper.
Synthetic papers Any non-wood or cloth paper, usually petroleum (plastic) based.
T
Thermography A printing process whereby slow drying ink is applied to paper and, while the ink is still wet, is lightly dusted with a resinous powder. The paper then passes through a heat chamber where the powder melts and fuses with the ink to produce a raised surface.
Tint A halftone screen that contains all the same sized dots.
Trapping The overlapping of one color over a different, adjacent color to ensure that no white space is visible where the two colors meet, especially when there are slight variations in the registration of the two colors during the printing process. Or the process of printing wet ink over wet or dry previously printed ink.

Trim marks Marks placed on the printed sheet to indicate where cuts should be made.

U

Undercolor removal The removing of cyan, magenta, or yellow from a heavily colored image to limit the total amount of ink being applied to that image to avoid potential production problems.

Up A term used to describe how many similar pieces can be printed on a larger sheet; two up, four up, etc.
V
Variable Data Printing Is a form of on-demand printing in which elements (such as text, graphics, photographs, etc) can be changed from one printed piece to the next, without stopping or slowing down the press, using information from a database. For example, a set of personalized letters, each with the same basic layout, can be printed with a different name and address on each letter.
Varnish A clear coating added to printed material as a protective layer for improved scuff resistance and usually higher gloss.
Vellum A finish of paper that is somewhat bulky and is slightly rough.
Vignette A photo or illustration, in which the tones fade gradually away until they blend with the background they are printed on.
W
Warm color A color with a reddish tone rather than a blue tone. Browns, oranges, reds, and yellows are generally considered to be "warm" colors.
Watermark A translucent mark or image that is embossed during the papermaking process, or printed onto paper, which is visible when the paper is held up to the light.
Web press A printing press that prints on rolls of paper passed through the press in one continuous piece, as opposed to individual sheets of paper.

Work and Turn A printing production format that has the front and back of a printed piece on one side of the paper, that is then printed the same on the back side, producing two copies of the piece.

Wove A smooth paper with a gentle patterned finish.
Writing paper Another name for bond paper.
X

Xerographic paper Papers made to reproduce well in copy machines.

Y

Yellow One of the four process colors, or CMYK, the Y is for yellow.

Z

Zip file Zipping a file compresses one or more files into a smaller archive. It takes up less hard drive space and less time to transfer across a network or the internet.

#S
80# Gloss Text Standard glossy paper stock, about as thick as a light magazine cover. The shiny finish provides an excellent opaque base for rich process color printing. This is most popular stock for: Brochures, Catalog Inserts, Flyers, Posters, etc.
100# Gloss Text Similar to the 80# gloss text, but 25% thicker and heavier, for a piece that feels more substantial. Standard Uses: Brochures, Information Sheets, Self-mailers, etc.
80# Matte Text This stock is finely coated with a non-gloss finish. It provides an excellent opaque base for easy to read, crisp typography. Standard Uses: Brochures, Catalog Inserts, and Flyers, etc.
80# Gloss Cover As a "cover" stock, this paper is stiff, about like a postcard or baseball card. This stock is coated with a glossy finish, making photographs and other images look beautiful. Standard uses: durable, heavy-weight Brochures, Catalog Covers, Product Spec Sheets.
100# Uncoated Cover An option for business cards, rack cards and bookmarks. This bright white smooth #1 grade cover stock is 14 pt in thickness and matches the 70# text-weight stock we use for letterhead and envelopes.
120# Gloss Cover The glossy, coated finish makes photographs and other images look beautiful. Consider adding aqueous coating to your four color sides for added protection and shine. 12 pt thick cover stock. Standard uses: postcards, business cards and rack cards.
70# Uncoated Text These uncoated (non-glossy) white stocks are guaranteed safe for desktop laser printing. Many common stationery stocks are not appropriate for 4-color printing, so we have selected these for best results. Feels thick and substantial in your hands.
24# Uncoated and 28# Uncoated This is a standard stock commonly used for envelopes, also called White Wove. The 28# is thicker and heavier than the 24#.
10-point C1S A bristol stock, gloss coated on the outside and uncoated on the inside. Used for Greeting Cards.
Source: http://printing.lifetips.com