Printing Glossary

Have you ever wondered what some of those curious printing terms actually mean? No? Well we've decided to publish them anyway!

If you come across any others that you think ought to be included (real or invented), we'd be pleased to hear from you...


G-I:

gutter:
Line or fold at which facing pages meet.

GSM:
Paper weight is measured in grams per square metre.

graphics file:
General term used for a computer file containing a picture: photographic image, illustration etc.

greyscale:
Shades of grey ranging from black to white; in printing, greyscale uses only a black halftone plate.

grippers:
Metal fingers which hold paper and carry it through printing impression to the delivery end of the press.

gusset:
Expandable portion of a pocketed folder or envelope.

halftone:
Picture with varying shades of tone created by varying size dots.

head margin:
The white space above the first line on a page.

hickey:
Spot or imperfection in printing.

house sheet:
General use paper ordered in large quantities and kept in stock by a printer.

hue:
The main attribute of a colour which distinguishes it from other colours.

ISDN:
A file transfer system using one or more telephone lines, faster than e-mail enabling it to carry larger computer file sizes.

image area:
Portion of paper where ink appears.

import:
To bring a picture or text file into and application ready for editing or design work.

imposition:
Positioning pages in a press-ready form so that they will be in the correct numerical sequence after folding.

w:
A device that plots high-resolution bitmaps which have been processed by a RIP. may include type, graphics and photographic images.

indicia:
Postal information place on a printed product.

ivory board:
A smooth high white board used for business cards etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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