臨りん界かい実じっ験けんMeaningsNoun1. critical experiment (in nucleonics)Kanji used臨face something界realm実real験verificationPitch accentりんかいじっけんComposed of臨りん界かいboundary; (nuclear) criticality; critical (mass, pressure, temperature, state, point, etc.)Noun実じっ験けんexperiment; experimentationNoun