laboratory; testing station; research facility
Refers to a physical facility where experiments, testing, or research are conducted. Often used in institutional names.
New drug development is being carried out at this research facility.
A testing station was built next to the agricultural experiment station.
試験所 focuses on testing and examination, often for quality control or certification, whereas 実験所 is broader and includes experimental research.
Compound of 実験 (experiment) and 所 (place, facility).