photooffset

WordReference Random House Unabridged Dictionary of American English © 2026

pho•to-off•set  (fō′tō ôf′set′, -of′-), n., v., -set, -set•ting. 
n. 

1. Printing 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.

v.t., v.i. 

2. Printing to print by photo-offset.

• 1925–30

Collins Concise English Dictionary © HarperCollins Publishers::

photo-offset noun

1. an offset process in which the plates are produced photomechanically