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Printing Terms are created by Printing Industry Exchange at http://www.printindustry.com
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
H
  Hairline (Rule)
Subjective term referring to very small space, thin line or close register. The meaning depends on who is using the term and in what circumstances.
  Halftone
(1) To photograph or scan a continuous tone image to convert the image into halftone dots. (2) A photograph or continuous-tone illustration that has been halftoned and appears on film, paper, printing plate or the final printed product.
  Hickey
Spot or imperfection in printing, most visible in areas of heavy ink coverage, caused by dirt on the plate or blanket. Also called bulls eye and fish eye.
  Hinged Cover
Perfect bound cover scored 1/8 inch (3mm) from the spine so it folds at the hinge instead of, along the edge of the spine.
 
I
  Imposition
Arrangement of pages on mechanicals or flats so they will appear in proper sequence after press sheets are folded and bound.
  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.
  Imprint
To print new copy on a previously printed sheet, such as imprinting an employee's name on business cards.
  Inserts
Within a publication, an additional item positioned into the publication loose (not bound in).
  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.
 
K
  K
Abbreviation for black in four-color process printing. Hence the 'K' in CMYK.
  Keylines
Lines on a mechanical or negative showing the exact size, shape and location of photographs or other graphic elements. Also called holding lines.
  Kiss Die Cut
To die cut the top layer, but not the backing layer, of self-adhesive paper. Also called face cut.
 
L
  Laminate
A thin transparent plastic sheet (coating) applied to usually a thick stock (covers, post cards, etc.) providing protection against liquid and heavy use, and usually accents existing color, providing a glossy (or lens) effect.
  Landscape
Artist style in which width is greater than height. (Portrait is opposite.)
  Lay Flat Bind
Method of perfect binding that allows a publication to lie fully open. (Also known as Lay Flat Perfect Binding.)
  Layout
A sample of the original providing (showing) position of printed work (direction, instructions) needed and desired.
  Lightweight Paper
Book paper with basis weight less than 40# (60 gsm).
  Linen Finish
Embossed finish on text paper that simulates the pattern of linen cloth.
  Lithography
Method of printing using plates whose image areas attract ink and whose nonimage areas repel ink. Nonimage areas may be coated with water to repel the oily ink or may have a surface, such as silicon, that repels ink.
  Loose Proof
Proof of a halftone or color separation that is not assembled with other elements from a page, as compared to composite proof. Also called first proof, random proof, scatter proof and show-color proof.
  Loupe
Lens built into a small stand. Used to inspect copy, film, proofs, plates and printing. Also called glass and linen tester.