Noun has 2 senses

• photomechanics(n = noun.process) photoplate making - the process whereby printing surfaces (plates or cylinders) are produced by photographic methods; "photomechanics revolutionized the practice of printing"

Derived form adjective photomechanical₁

• photomechanics(n = noun.cognition) - the technique of using photomechanical methods to make photographs into plates for printing;

Derived form adjective photomechanical₁