国こく立りつ老ろう化か研けん究きゅう所じょMeaningsNoun1. National Institute on AgingKanji used国country立standing up老elderly化transformation研refine究research所placeComposed of国こく立りつnational; founded and run by the central governmentNo-adjective老ろう化かageing; aging; senile deteriorationNoun研けん究きゅう所じょresearch institute; (research) laboratoryNoun