日本希土類学会 にっぽんきどるいがっかい Meanings Noun Rare Earth Society of Japan Kanji 日 day. Read as ニチ. 本 origin. Read as ホン. 希 hope 土 soil 類 class. Read as ルイ. 学 study. Read as ガク. 会 meet. Read as カイ. Jinuma: Japanese Dictionary · Word lists