This glossary of printing terms was by professionals in printing industry and is brought to you by us. It has been created to help anybody who is interested in understanding printing. Any suggestions that you may have on how we can improve this glossary will be carefully considered.
A paper fold in which both sides are folded across the middle of the sheet in overlapping layers.
Edges of a page that are covered with gold leaf and rubbed down to prevent the absorption of dust. Sometimes used in formal invitations.
Gloss refers to the reflectivity of paper or of the printed matter on it.
In paper, the pattern of fibres in a manufactured sheet. In film, the density of tiny silver crystals in a photographic emulsion.
On printing presses these are fingers that keep the sheet in place and carry it during the impression.
The edge, which is caught by the grippers as a sheet of paper, is fed into a press.
GSM, grams per square metre, grammage
Unit of measurement used to measure paper weight (and so thickness) in printing.
A machine used to cut or trim a large number of sheets of paper accurately.
Process by which continuous tone is simulated by a pattern of dots of varying size.
This is a colour system that uses a set of six colour set of inks, made up of a modified four-colour set plus orange and green. The objective of hexachrome is to improve the printed colour gamut. Using hexachrome allows about ninety per cent of Pantones special colours.
Impose or Imposition
To arrange pages so that when the sheet is folded the text will read continuously.
High quality board made in white or colours with a bright, clear appearance particularly used for invitations and other quality printed material. Original Ivory Board was and still is made in Holland although it is now made in several countries.