Pica 

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A basic unit of measurement in typography. One pica equals 12 points, and 6 picas equal approximately 1 inch (actually, 6 picas equal 0.996 inch). See Point System. The term pica is …

Pica Point 

By Inkjet Insight / Published:

In typography, the basic unit of type measurement used in North America and Great Britain, equal to one-seventy-second of an inch, or approximately one-twelfth of a pica, in contrast to the Didot …

Pick 

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When used as a noun, the degree to which a substance (such as paper) will allow bits of its surface to be removed by a tacky printing ink. See Picking. When …

Pick Resistance 

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Also called surface strength, the extent to which a paper can withstand a force applied at right angles to its surface (such as that generated by a sticky ink film during …

Pick Tester 

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A device used to determine a paper’s pick resistance by means of a series of inks with progressively greater degrees of tack. (See Picking and Pick Resistance.)

Pigment

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In papermaking, pigments are fine, inorganic particles added to fill, color, or coat paper. Pigments such as clay,titanium dioxide, and calcium carbonate are used as fillers and coatings in papermaking. When used as a paper coating, the …

Piling

By Inkjet Insight / Published:

A printing problem characterized by the accumulation of paper fibers (called lint), bits of detached coating particles, or other debris (such as pickouts) on the printing plate or blanket, in either image or non-image …

Pixel 

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Shorthand term for picture element, or the smallest point or dot on a computer monitor. Any computer display is divided into rows and columns of tiny dots, which are individual points …

Pixel Array 

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On either a computer monitor or digital output, the two-dimensional grid of pixels which define the form and color of a digital image.

Pixel Density 

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Alternate term for resolution, especially of a computer monitor. See Resolution.