Saddle Stitch
To bind by stapling sheets together where they fold at the spine, as compared to side stitch. Also called pamphlet stitch, saddle wire and stitch bind.

Satin Finish
Alternate term for dull finish on coated paper.

Scale
To identify the percent by which photographs or art should be enlarged or reduced to achieve, the correct size for printing.

Scanner
Electronic device used to scan an image.

Score
To compress paper along a straight line so it folds more easily and accurately. Also called crease.

Screen Angles
Angles at which screens intersect with the horizontal line of the press sheet. The common screen angles for separations are black 45 degree, magenta 75 degree, yellow 90 degree and cyan 105 degree.

Screen Density
Refers to the percentage of ink coverage that a screen tint allows to print. Also called screen percentage.

Screen Printing
Method of printing by using a squeegee to force ink through an assembly of mesh fabric and a stencil.

Screen Ruling
Number of rows or lines of dots per inch or centimeter in a screen for making a screen tint or halftone. Also called line count, ruling, screen frequency, screen size and screen value.

Screen Tint
Color created by dots instead of solid ink coverage. Also called Benday, fill pattern, screen tone, shading, tint and tone.

Self Cover
Usually in the book arena, a publication not having a cover stock. A publication only using text stock throughout.

Self Mailer
A printed item independent of an envelope. A printed item capable of travel in the mailing arena independently.

Separations
Usually in the four-color process arena, separate film holding qimages of one specific color per piece of film. Black, Cyan, Magenta and Yellow. Can also separate specific PMS colors through film.

Setoff
Undesirable transfer of wet ink from the top of one sheet to the underside of another as they lie in the delivery stack of a press. Also called offset.

Shade
Hue made darker by the addition of black, as compared to tint.

Shadows
Darkest areas of a photograph or illustration, as compared to midtones and high-lights.

Sheetfed Press
Press that prints sheets of paper, as compared to a web press.

Side stitch
To bind by stapling through sheets along, one edge, as compared to saddle stitch. Also called cleat stitch and side wire.

Signature
Printed sheet folded at least once, possibly many times, to become part of a book, magazine or other publication.

Solid
Any area of the sheet receiving 100 percent ink coverage, as compared to a screen tint.

Soy-based Inks
Inks using vegetable oils instead of petroleum products as pigment vehicles, thus are easier on the environment.

Spectrophotometer
Instrument used to measure the index of refraction of color.

Spine
Back or binding edge of a publication

Spiral Bind
To bind using a spiral of continuous wire or plastic looped through holes. Also called coil bind.

Spoilage
Paper that, due to mistakes or accidents, must be thrown away instead of delivered printed to the customer, as compared to waste.

Spot Color or Varnish
One ink or varnish applied to portions of a sheet, as compared to flood or painted sheet.

Spread
(1) Two pages that face each other and are designed as one visual or production unit. (2) Technique of slightly enlarging the size of an image to accomplish a hairline trap with another image. Also called fatty.

Standard Viewing Conditions
Background of 60 percent neutral gray and light that measures 5000 degrees Kelvin the color of daylight on a bright day. Also called lighting standards.

Stat
Short for photostat, therefore a general term for an inexpensive photographic print of line copy or halftone.

Step and Repeat
Prepress technique of exposing an image in a precise, multiple pattern to create a flat or plate. Images are said to be stepped across the film or plate.

Stocking Paper
Popular sizes, weights and colors of papers available for prompt delivery from a merchant's warehouse.

Stumping (Blocking)
In the book arena, hot die, foil or other means in creating an image on a case bound book.

Substrate
Any surface or material on which printing is done.

Surprint
Taking an already printed matter and re-printing again on the same.