国こく立りつ環かん境きょう衛えい生せい科か学がく研けん究きゅう所じょMeaningsNoun1. National Institute of Environmental Health Sciences; NIEHSKanji used国country立standing up環loop境border衛defend生life科department学study研refine究research所placeComposed of国こく立りつnational; founded and run by the central governmentNo-adjective環かん境きょう衛えい生せいenvironmental hygieneNoun科か学がくscience; to think about scientifically; to think in terms of scienceNoun研けん究きゅう所じょresearch institute; (research) laboratoryNoun