laboratory vs research lab

laboratory and research lab both are nouns.

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

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

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

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

laboratory (noun)	research lab (noun)
a workplace for the conduct of scientific research	a workplace for the conduct of scientific research
a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation