Halftone. To photograph continuous-tones through a screen to convert the image into dots. The result is also called a halftone and may be either positive or negative and on film or paper.
Halftone dots. Dots that by their varying sizes create the illusion of shading or a continuous-tone image.
Halftone screen. Piece of film containing a grid of lines that breaks light into dots as it passes through.
Half web. Web press whose width and cutoff allow printing eight 8 1/2 x 11 pages on one press sheet.
Hard bind. Alternate term for Case bind.
Hard cover. Bound with a case of binder's board.
Head stops. Adjustable posts on register unit of a press that properly position leading edge of a sheet.
Heat-set web. Web press equipped with oven to make ink dry faster, thus able to print coated paper.
Hickey. Donut-shaped spot or imperfection in printing, most visible in areas of heavy ink coverage.
High-bulk paper. Paper made relatively thick in proportion to its basis weight.
High contrast. Few or no tonal gradations between dark and light areas.
Highlights. The lightest areas in a photograph or halftone.
Holding fee. Charge made to clients who keep photograph longer than agreed to.
Holdout. Alternate term for Ink holdout.
House sheet. General-use paper ordered in large quantities and kept in stock by a printer.
Hypo. Alternate term for Fixer.