国こく語ご研けん究きゅう所じょMeaningsNoun1. National Institute for Japanese Language and Linguistics; NINJAL; KokkenKanji used国country語language研refine究research所placeComposed of国こく語ごnational language; Japanese language (esp. as a school subject in Japan); one's native language; mother tongue; native Japanese words (as opposed to loanwords and Chinese-derived words)Noun研けん究きゅう所じょresearch institute; (research) laboratoryNoun