dialyzer vs dialysis machine

dialyzer and dialysis machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
dialyzer	Yes	No	No	No
dialysis machine	Yes	No	No	No

As nouns, dialyzer and dialysis machine are synonyms defined as:

dialyzer and dialysis machine: a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes

dialyzer (noun)	dialysis machine (noun)
a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes	a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes