- The workroom of a chemist; also, a place devoted to
experiments in any branch of natural science; as, a chemical, physical,
or biological laboratory. Hence, by extension, a place where something
is prepared, or some operation is performed; as, the liver is the
laboratory of the bile.
Meaning of 'laboratory' (Princeton's WordNet)
1 . laboratory
[ n]
Meaning (1): - a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation
Example in sentence:
Pakistan is a laboratory for studying the use of American troops to combat terrorism;
the new nation is a testing ground for socioeconomic theories