Linotype machine vs Linotype

Linotype machine and Linotype both are nouns.

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

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

Linotype machine and Linotype: a typesetting machine operated from a keyboard that casts an entire line as a single slug of metal

Linotype machine (noun)	Linotype (noun)
a typesetting machine operated from a keyboard that casts an entire line as a single slug of metal	a typesetting machine operated from a keyboard that casts an entire line as a single slug of metal