臨りん界かい実じっ験けんりんかいじっけんMeanings1nouncritical experiment (nucleonics)Technical term used in nuclear engineering for experiments that approach or achieve criticality.原げん子し炉ろの設せっ計けいには臨りん界かい実じっ験けんが欠かかせない。Critical experiments are essential for reactor design.
