Dot 

By Inkjet Insight / Published:

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, …

Dot Area 

By Inkjet Insight / Published:

Alternate term for dot area density. See Dot Area Density.

Dot Area Density 

By Inkjet Insight / Published:

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 …

Dot Gain 

By Inkjet Insight / Published:

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 …

Dots Per Inch 

By Inkjet Insight / Published:

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 …

Dots Per Line 

By Inkjet Insight / Published:

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 …

Double Halftone 

By Inkjet Insight / Published:

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. …

Double Varnish 

By Inkjet Insight / Published:

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.

Double-Black Halftone Printing 

By Inkjet Insight / Published:

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.