Pronunciation: (fō"tō-ôf'set", -of'-), [key]
—n., v., -set, -set•ting.
a method of printing, based on photolithography, in which the inked image is transferred from the metal plate to a rubber surface and then to the paper.
to print by photo-offset.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.