Photostat machine vs Photostat

Photostat machine and Photostat both are nouns.

Word	Noun	Adjective	Verb	Adverb
Photostat machine	Yes	No	No	No
Photostat	Yes	No	No	No

As nouns, Photostat machine and Photostat are synonyms defined as:

Photostat machine and Photostat: a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper

Photostat machine (noun)	Photostat (noun)
a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper	a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper