December 12, 2016


Strictly speaking, the smallest fundamental unit of a halftone image, a small point of color, black, or some shade of gray which, when combined with many other dots of varying color and shade,
December 12, 2016

Dot Area 

Alternate term for dot area density. See Dot Area Density.
December 12, 2016

Dot Area Density 

The size of a halftone dot, expressed as a percentage of the total surface area, which can range from 0% (no dot) inhighlights to 100% (solid ink density) in shadows. By carefully
December 12, 2016

Dot Gain 

Dot gain refers to a characteristic of halftone printing whereby reflectance of the printed material is less than would be expected from the percentage area coverage of the dots set
December 12, 2016

Dots Per Inch 

A measure of the resolution of a computer monitor, scanner, or output device such as a laser printer or imagesetter. Each of these devices generates or displays images which are composed of many tiny dots (called pixels
December 12, 2016

Dots Per Line 

A measure of the resolution of a computer monitor indicating the number of pixels that are placed on a horizontal line. For example, a monitor said to have a 640 x 480 resolution
December 12, 2016

Double Halftone 

In prepress, a lithograophic printing plate imaged from two separate halftone negatives, one providing the shadowand highlight regions (or, in other words, the two extremes of the tonal range of the image) the other providing themiddle tone regions.
December 12, 2016

Double Varnish 

The application of two coats of overprint varnish as a means of affording a printed piece additional protection from handling, or contact with fluids or other substances.
December 12, 2016

Double-Black Duotone 

Alternate term for double-black halftone printing. See Double-Black Halftone Printing.
December 12, 2016

Double-Black Halftone Printing 

In printing, a means of increasing the tonal range of printed halftones by printing with two specially-prepared black halftone plates. Not to be confused with a double halftone. Also called a double-black duotone.

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