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C1S (Coated One Side)
Cover or text paper coated on one side only; for covers and dust jackets.
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C2S (Coated Two Sides)
Cover or text paper which has been coated on both sides.
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Cancel
Undesired blank pages on a printed sheet which are to be removed, either by cutting from the sheet before folding or removal by hand after folding.
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Cap and Lower Case (C and LC)
Marking on a manuscript calling for the use of capital and lower case letters; all primary words in a sentence begin with a capital letter.
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Caps
Upper case letters; capitals.
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Caption
The description accompanying an illustration, for explanation or identification.
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Caret
A triangular symbol (^) used in writing or in proof-reading, to indicate where a change is to be inserted.
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Case
The covers of a hardbound book, consisting of paper or cloth over binder boards.
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Casebinding
Binding in which the cover is made separately and consists of rigid or flexible boards covered with cloth, paper or other material in such a manner that the covering material surrounds the outside and edges of the board. Covers always project beyond the edges of the text pages; also called Edition Binding or Hardcover Binding.
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Casebound
A book bound with a hard (stiff) cover; also called Hardbound or Clothbound.
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Casemaker
A machine that produces finished cases from raw materials (paper or cloth, boards and backstripping) which have first been cut to the proper size.
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Casing
In-The operation of applying paste or glue to the endsheets of a book, inserting the sewn and trimmed text into the case (cover) and building-in using hydraulic presses to secure the books while drying.
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Catalog Rate
A special fourth class mailing rate.
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CD-ROM (Compact Disk-Read Only Memory)
A computer medium capable of storing 650 megabytes or 1.3 gigabytes of compressed data. This format allows the data to be retrieved repeatedly, but cannot be edited or altered in any way.
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Center Spread
The facing pages in the center of a signature; also called Natural Spread.
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Centerline or Center Mark
A short line applied to copy, a page negative or a negative flat to indicate the center of the trim margins of a page or a form; also used for registration.
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Certified Mail
Mail which provides for a record of delivery to be maintained by the Post Office from which the mail is delivered. The carrier delivering the item obtains a signature from the addressee. There is a charge for Certified Mail. If a return receipt is requested, an additional fee is charged.
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Change Request
A form used to convey in structions or specifications pertaining to an order in process, or information affecting the status or schedule of such an order.
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Check Copy
(1) A folded and gathered, but unbound, copy of a book sent to a customer for approval before binding.
(2) The gathered, trimmed copy which is inspected and approved by Quality Assurance prior to any binding operation; used as a guide in the bindery for assembling in the proper sequence, including inserts, furnished items, etc.; also called F & G.
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Choke
In negative preparation, the photographic means used to close in and reduce the thickness of the printing detail; also called Shrunk Negative. It is also used to provide a printing overlap between a colored or tinted background and the display matter. This is the opposite of a spread negative.
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Choke trap
Also known as a pinch trap; will take an image and create a slightly smaller version to overlap other image area.

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Chokes
See: Trap
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Chroma
The brightness of a color
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Chromalin Proof
A proprietary term for a color proof process employing a photosensitized clear plastic. Color separation negatives are exposed in such a way that process color will adhere to dots on the plastic. One sheet of plastic is exposed for each process color, treated with the separate process colors, placed in register, then laminated. Color may be very accurate, but is subject to variation due to exposure and application of the process color. Used to check register; obvious blemishes and size.
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Chromaticity
A color classification based on a colors dominant wavelength
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Chromaticity Diagram
Also called the CIE diagram, it is a two dimensional plot of the three dimensional color space of a particular process
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Cicero
A type measurement equivalent to 12 Didot points (4.51 mm)
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Clip Art
Pre-designed graphics that can be cut and pasted electronically into your document. Also, a set of non-copyrighted or public domain graphic images, photographs, maps, or line art, usually on disk, that you can import into publishing or presentation software and incorporated into other documents.
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Close Register
Low trap allowance, requiring press printing position accuracy of ± 1/2 row of dots; also known as Tight Register or Hairline Register.
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Closed Head
The top of the signature produced by a fold, presenting a solid surface when opened at the center; the signature can be opened easily and accurately, for rapid feeding.
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Cloth
Woven fabric, finished in various ways; used with binder boards to make cases.
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Clothbound
See: Case bound.
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CMYK (Cyan, Magenta, Yellow, Black)
The primary colors used together in printing to effectively create a multitude of other colors. Based on the subtractive color theory; the primary colors used in four color printing processes.
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Coated Paper
Paper with mineral and chemical substances applied to the surface to achieve higher opacity, brightness and special properties for printing; produced in glossy or dull (matte) finishes.
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Coating
(1) The mineral substances such as china clay, blanc fixe, satin white, etc. used to cover the surface of paper, thus making the coated surface of enameled papers.
(2) In photography and photomechanics, application of varnishes and other mixtures to plates and negatives.
(3) Application of light-sensitive solutions to plate surfaces.
(4) An emulsion, varnish or lacquer ap-plied over a printed surface to give it protection.
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Collate
(1) Gathering (assembling) sections (signatures) in a predetermined order for binding.
(2) To assemble multiple books or other items to form a complete set.
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Collating Marks
Markings (a rule, rectangle or similar mark) on the outside of the fold of each signature. When signatures are collated, these marks align diagonally. A missing mark indicates an omitted signature; two side by side represent a duplication.
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Collect Shipment
A shipment for which freight charges are billed by the carrier to the consignee.
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Collotype
A screenless printing process; reproduces illustrations in continuous tone without halftone dots.
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Colophon
(1) Trade emblem or device of a printer or publisher. See: Logo.
(2) An inscription page sometimes found at the end of a book, listing details pertaining to production of the book, or the printer's imprint.
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Colophon
A section typically found at the end of a book that indicates the technical details of the product. Items listed include the fonts used, the paper stock used, and equipment used to manufacture the book.
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Color (of paper)
A characteristic achieved by dying paper in various hues, often in shades exclusive to a particular mill. Paper color affects readability and color reproduction. White sheets are considered to have color, varying in tones from blue to yellow to pink.
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Color Bar
A control strip printed on the edge of a press sheet, for visual and densitometer checking of ink color and density. It consists of small blocks of each color, graded halftone tints and overprints of the color.
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Color Build
A color made by using screen tints of two or more process colors (CMYK). For example, Green using dots of process Yellow and process Cyan.
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Color Correction
Any method such as masking, dot-etching, re-etching, and scanning, used to improve color rendition.
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Color Difference
The visual discrepancy between two colors; sometimes measured in Delta E values
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Color Gamut
A physical plot of mathematical equivalencies of perceived color, these gamuts are used to determine every possible color combinations available for the colors used
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Color Key
An overlay proof composed of an individual colored acetate sheet for each color; used to check register, obvious blemishes and size.
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Color Perception
The manner in which the eye distinguishes color based on hue, brightness and saturation.
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Color Process Printing
A reproduction of color made by means of photographic separations. The printing is done using cyan, magenta, yellow and black inks, each requiring its own negative; also called Process Color or Four Color Process.
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Color Proofs
A set of color process proofs, consisting of proofs of each color, singly and in combination with other colors, as the job will be printed; also called Progressives or Progs.
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Color Scanner
Equipment used to make color separations by photoelectrically reading the relative densities of the copy; also called Electronic Scanner.
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Color- Separated Visual
A visual that is output as color separations, instead of as a composite. Controlled through Print dialog menu. These visuals will image a single piece of paper (plate) for each color used. Color-separating visuals is an excellent way to check for proper color usage.
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Color Separation
(1) In photography, the process of separating full color originals into the primary printing colors, in negative or positive form, with one piece of film for each color.
(2) For some kinds of color reproduction a paste-up artist can preseparate by using separate overlays for each color.
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Color Swatch
A small, usually square, solid color block used to furnish a sample of the actual ink color to be reproduced.
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Color Transparency
A full color transparent positive on a transparent support.
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Color Trap
See: Trap.
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Comb Binding
See: Plastic Comb Binding.
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Coming-and-Going Imposition
An imposition that has right hand pages in sequence from the front of the book to the end; the book is turned over and all left hand pages are in sequence and read from the back of the book to the front.
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Commercial Perforation
A series of small slits, produced on a folder, running parallel to the fold at the binding edge; it permits paper to separate easily at the slits, to remove pages from the book.
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Commercial Register
Color printing on which the allowable misregister is within one row of dots.
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Common Pages
(1) In camera- ready copy, originals used for two or more different publications, usually without change or with very minor changes.
(2) In reference to offprints, a leaf (2 pages) required in more than one article.
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Complex Mathematics
Copy to be set which includes multi-level equations, scientific copy, Greek characters and technical symbols.
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Compose (or Composing)
The process of setting type.
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Composite
Several pictures placed together to form a single, combined picture.
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Composite Negative
A final negative which incorporates all reverses, doubleburns, etc. previously made by means of Intermediate Negatives; also called Combination Negative.
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Composition
Setting type; also called Typesetting.
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Compressability
The degree of pressure a sheet of paper can withstand and still return to its original thickness.
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Compression
The process of manipulating the way data is stored through special software that allows files to be stored more compactly.
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Computer to Plate
A method in which offset printing plates are generated directly from a digital files, bypassing the traditional film output method of generating printing plates
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Condensed Face
A narrow version of a regular typeface; permits more characters in a given measure; about 60% of the width of standard characters.
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Confirming Price
The price of an order, after all specifications are finalized; does not include Author's Alterations or Overruns/Underruns.
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Confirming Proof
A proof confirming to the customer how the page, as shown by the proof, will print. No approval will be required or expected.
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Contact Print
A photographic print made from either a negative or a positive exposed in contact with sensitized paper or film; other common terms are PMT, T-Print, Stat, Contact and Velox.
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Contact Screen
A halftone screen made on a film base with a graduated dot pattern; used in direct contact with the film, to obtain a halftone negative from a continuous tone original.
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Continuous Tone
Any image which has not been screened and contains gradient tones from black to white; may be a photograph, oil painting, wash drawing, etc.
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Contrast
(1) The tonal gradations between the highlights, middletones and shadows in an original or reproduction; also called Copy Density Range.
(2) The relationship between the lightest and the darkest areas of an image.
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Copy
Any furnished material to be used for reproduction; also called Camera-ready Copy.
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Copy Dot
To photograph dot for dot; to exactly match previously screened originals.
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Copy Fitting
(1) Making copy fit a predetermined area.
(2) To determine the amount of copy that will fit in a given area.
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Copy Preparation
(1) In photomechanical processes, directions as to size and other details for illustrations and the arrangement into proper position of various parts of the page to be photographed for reproduction.
(2) In typesetting, checking manuscript copy to insure a minimum of changes after type is set.
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Corner Marks
Open parts of squares ( _| |_ ) placed on original copy as a positioning guide.
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Correction Marks
See: Proofreader's Marks.
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Count
The quantity of sheets, signatures or finished books available for an order.
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Cover 1
Outside front cover.
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Cover 2
Inside front cover.
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Cover 3
Inside back cover.
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Cover 4
Outside back cover.
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Cover Paper
A designation for a wide variety of papers durable enough to be used as book covers.
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Crack-n-Peel
Labels or pockets to have paper peeled off and to be applied to a surface.
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Crop
To eliminate certain areas of a photograph or other artwork.
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Crop Marks
Marks along the margins of an illustration, used to indicate the portion of the illustration to be reproduced.
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Cross Platform
Refers to any file that can be transferred between two or more operating systems. PDF files are cross platform in nature because the same PDF file created on a PC can be read and interpreted on a Macintosh.
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Crossline Screen
In halftone photography, a grid pattern with opaque lines crossing each other at right angles, thus forming transparent squares, or screen apertures; classified by the number of lines per inch; also called Glass Screen. See also: Halftone Screen and Contact Screen.
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CTP
Computer-to-plate technology of printing.
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Customer Furnished (CF)
Any material supplied by a customer (Examples: paper, printed covers, mailing labels, etc.).
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Cut-In Head
A heading placed in a box of white space fitted in at the side of a typeset page.
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Cutoff
Printed copy or artwork either completely or partially missing from the printed sheet or trimmed book.
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Cutout
In negative flat preparation, openings cut through the goldenrod or masking paper to produce the exposure areas needed on the negatives for plate exposure; also called Window.
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Cyan
A blueish color used along with Yellow, Magenta, and Black in the four color print process