laboratory vs research laboratory

laboratory and research laboratory both are nouns.

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

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

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

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

laboratory (noun)	research laboratory (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