日本にっぽん地ち熱ねつ学がっ会かいMeaningsNoun1. Geothermal Research Society of Japan; GRSJKanji used日sun本book地ground熱heat学study会meetingComposed of日本にっぽんJapanNoun地ち熱ねつgeothermal energy; terrestrial heatNoun学がっ会かいlearned society; scientific society; academy; academic meeting; academic conferenceNoun