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"
A laboratory (informally, lab) is a facility that provides controlled conditions in which scientific research, experiments, and measurement.
OmegaWiki Dictionary
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laboratory A room or building with scientific equipment for doing scientific tests or for teaching science, or a place where chemicals or medicines are produced.