研けんTop 20000MeaningsSuffix1. research (institute, laboratory, group, etc.) (Abbreviation)Kanji used研refinePitch accentけんUsed in vocabulary落おち研けんrakugo research society; rakugo research clubNoun医い科か研けんInstitute for Medical SciencesNoun宇う宙ちゅう研けんspace researchNoun栄えい研けん化か学がくEiken Chemical Co, Ltd.Noun感かん染せん研けんNational Institute of Infectious Diseases (abbr.); NIIDNoun農のう研けん機き構こうNational Agriculture and Food Research Organization (abbr); NARONoun