Laboratory
Lab Room
noun
けんきゅうしつ
研究 （けんきゅう） Research, Investigation, Study
研究室 （けんきゅうしつ） Laboratory, Lab Room
研究所 （けんきゅうしょ、けんきゅうじょ） Research Institute, Research Facility
研究所 lit: Research Place. This is a dedicated PLACE for research like a Research Institute. 研究室 lit: Research Room. This is just a ROOM like a Teachers Office or school Lab.