/ Thesaurus / P Synonyms of photostat machine Find synonyms for: Noun1. Photostat, Photostat machine, duplicator, copierusage: a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paperWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language