Commercial Color Offset Printing - a compendium of commercial printing terminology

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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

Illustrator

A vector-based drawing program  used on both Mac and PCs.

Image Area

The actual area on the printed matter that is not restricted to ink coverage,

Imagesetter

Laser output device using photosensitive paper or film.

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.

Impression

(1) Referring to an ink color, one impression equals one press sheet passing once through a printing unit. (2) Referring to speed of a press, one impression equals one press sheet passing once through the press.

Impression Cylinder

Cylinder, on a press, that pushes paper against the plate or blanket, thus forming the image. Also called impression roller.

Imprint

To print new copy on a previously printed sheet, such as imprinting an employee's name on business cards. Also called surprint.

In-Plant Printer

Department of an agency, business or association that does printing for a parent organization. Also called captive printer and in-house printer.

Index Bristol

A relatively thick paper stock; basis size---25 1/2 x 30 1/2.

Indicia

Postal information place on a printed product.

Ink Balance

Relationship of the densities and dot gains of process inks to each other and to a standard density of neutral gray

Ink Fountain

Reservoir, on a printing press, that holds ink.

Ink Holdout

Characteristic of paper that prevents it from absorbing ink, thus allowing ink to dry on the surface of the paper. Also called holdout.

Ink Jet Printing

Method of printing by spraying droplets of ink through computer-controlled nozzles. Also called jet printing.

Ink Setting

The inertial resistance to flow that occurs to ink as soon as it is printed.

Inkometer

A device used to measure the tack of ink.

Inner Form

Form (side of the press sheet) whose images all appear inside the folded signature, as compared to outer form.

Insert

A piece of printed material that is prepared for the purpose of being inserted into another piece of printed material, such as a magazine.

Interface

Connection between computers, printers, or any network.

Interleaves

 Printed pages loosely inserted in a publication.

International Color Consortium

Abbreviated ICC, a group of companies chartered to develop, implement, and promote cross-platform standards so that devices can exchange color information without ambiguity.

Iridescent Paper

A coated stock finished in mother-of-pearl.

ISBN

A number assigned to a published work and usually found either on the title page or the back of the title page. Considered an International Standard Book Number.

Italic

Text that is used to denote emphasis by slanting the type body forward.