Uncoated Paper -
Paper that has not been coated with clay. Also called offset paper.
Undercolor Addition - Technique of making color
separations that increases the amount of cyan, magenta or yellow
ink in shadow areas. Abbreviated UCA.
Undercolor Removal - Technique of making color separations
such that the amount of cyan, magenta and yellow ink is reduced in
midtone and shadow areas while the amount of black is increased.
Universal Copyright Convention (UCC) - A system
to protect unique work from reproducing without knowledge from the
originator. To qualify, one must register their work and publish
a (c) indicating registration.
Unsharp Masking - Technique of adjusting dot size
to make a halftone or separation appear sharper (in better focus)
than the original photo or the first proof. Also called edge enhancement
Up - Term to indicate multiple copies of one image
printed in one impression on a single sheet. "Two up" or "three
up" means printing the identical piece twice or three times
on each sheet.
UV Coating - Liquid applied to a printed sheet,
then bonded and cured with ultraviolet light.