GLOSSARY
L
Laser bond:
Bond paper made especially smooth and dry to run well through laser printer.
Leaf:
One page in a book.
Lead edge:
The edge of the paper that feeds first into the copier.
Ledger paper:
A durable, smooth business paper with a heavy basis weight used for keeping business records.
Letter paper:
In North America, 8.5 x 11" sheets. In Europe, A4 sheets.
Lightfastness:
The amount of resistance of a color of ink or paper to any kind of light. Also known as colorfastness.
Lightweight paper:
Book paper with a basis weight of less than 40 lb (60 gsm).
M
M value:
The weight of some materials is described by the M value printed on the package (i.e., 21.64M). The M value is the weight in pounds of 1,000 sheets of the size of the paper in the package. To convert the M value to gsm for 8.5 x 11” paper, multiply the M value by 7.527. To convert the M value to gsm for 11 x 17” paper, multiply the M value by 3.763.
Matte finish:
A flat, dull, low gloss finish on photographic paper or coated printing paper.
Mottle:
Spotty or uneven image areas of printing.
N
Natural color:
Very light brown color of paper. May also be called antique, cream, ivory,
Neutral gray:
Gray with no hue or cast.
Newsprint:
Paper used for printing newspapers, made from groundwood or mechanical pulp.
Non-impact printing:
Printing using lasers, ions, ink jets or heat to transfer images to paper. Abbreviated NIP.
O
Opacity:
Characteristic of paper or other substrate that prevents printing on side from showing through to the other.
Opaque:
The more opaque a sheet of paper is, the less transparent it is. High opacity in printing papers is a good characteristic as print from the other side of a printed sheet has less
P
Page:
One side of a leaf in a publication.
Page-per-inch:
Also known as PPI, it is the number of pages in a one inch stack of papers.
Pixel:
Short for picture element, a dot made by a computer, scanner, or other digital device.
Point (pt.):
The measure of paper thickness. One point is one- thousandth of an inch.
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50 | COLOR MATERIALS USAGE GUIDE |