Noun

• S: (n) lab, laboratory, research lab, research laboratory, science lab, science laboratory (a workplace for the conduct of scientific research)
• S: (n) testing ground, laboratory (a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation) "the new nation is a testing ground for socioeconomic theories"; "Pakistan is a laboratory for studying the use of American troops to combat terrorism"