research laboratory vs science lab

research laboratory and science lab both are nouns.

Word	Noun	Adjective	Verb	Adverb
research laboratory	Yes	No	No	No
science lab	Yes	No	No	No

As nouns, research laboratory and science lab are synonyms defined as:

research laboratory and science lab: a workplace for the conduct of scientific research

Other synonyms of research laboratory include lab, laboratory, research lab, science laboratory.

research laboratory (noun)	science lab (noun)
a workplace for the conduct of scientific research	a workplace for the conduct of scientific research