noun
Institute of Physical and Chemical Research; RIKEN
Official name of a major Japanese research institute, commonly referred to as RIKEN.
理化学研究所は埼玉県和光市に本部がある。
The Institute of Physical and Chemical Research has its headquarters in Wako, Saitama Prefecture.
Compound of 理化 (rika, 'physics and chemistry') + 学 (gaku, 'study') + 研究所 (kenkyūjo, 'research institute').