say it: LA-bruh-taw-ree
laboratory is a noun meaning "a workplace for the conduct of scientific research". It carries 2 recorded senses.
a workplace for the conduct of scientific research
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for laboratory come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.