理学 りがく (physical) science #6,522 Meanings noun (physical) science; natural science obsolete physics obsolete philosophy neo-Confucianism Its kanji 理 リ · ことわり logic, arrangement, reason, justice, truth 学 ガク · まな.ぶ study, learning, science In sentences Furigana 彼かの地ち理学りがくの知識ちしきは乏とぼしい。 His knowledge of geography is poor. #116533