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Electronic Dot Generation
A method of producing halftones electronically on scanners and prepress systems.

Electronic Printing
Any technology that repoduces pages without the use of traditional ink, water or chemistry or plates.

Electrophotography
Image transfer systems used in copiers to produce images using electrostatic forces and toners.

Electrostatic Assist
Use of electrostatic forces to help draw ink from gravure cells to reduce skips in highlights.

Electrostatic Plates
Plates for high speed laser printing using zinc oxide or organic photoconductors.

Electrotype
Duplicate relief plate used for letterpress printing.

Ellipitical Dot
In half-tone photography, elongated dots which give improved gradation of tones particularly in middle tones and vignettes - also chained chain dots.

Em
In composition, a unit of measurement as wide high as the point set . So named because the letter \"M\" in early fonts were usually cast on a square body.

Embossed Finish
Paper with a raised or depressed surface resembling wood, cloth, leather or other pattern.

Embossing
Pressing a relief image into a paper to produce a raised effect. The most sophisticated embossing is done with male and female dies and can be combined with foil stamping or printing.

EME Electromechanical Engraver
Machine used to make gravure printing cylinders.

Emulsion Side
The side covered with Silver Halide emulsion

En
One-half on the width of an em.

English Finish
A grade of book paper wiht a smoother, more uniform surface than machine finish.

Engraving
Technique developed by goldsmiths in the 15th century to transfer metal etchings onto parchment. Requires hand tooling or photochemically etching a design into a metal die. The die is covered with an opaque ink and wiped clean, leaving ink only in the "cut-in" design. Paper is pressed between the etched die and a mirror-image counter die, transferring ink onto the sheet to create an elegant raised impression.

EPS
(Encapsulated PostScript) Postscript file format expressly designed to be embedded in another postscript stream.

Etch
In Offset Lithography, an acidified gum solution used to desensitize the non-printing areas of the plate; Also an acid solution added to fountain water to help keep non-printing areas of the plate free from ink.

Expanded Type
A type whose width is greater than normal.

Exposure
The step in photographic or photomechanical processes during which light or other radiant energy produces the image on the photo-sensitive coating.