乾布摩擦: The activity of rubbing your body with a dry cloth, thought to strengthen or warm up your skin, and therefore to prevent from winter illnesses, such as cold.

(dialectal, Northwestern Kyūshū) a lamp shell, lingulate brachiopod (Lingulidae)

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Short for 宋明理学 (Sō-Min rigaku, “Neo-Confucianism”). / (obsolete) Synonym of 哲学 (tetsugaku, “philosophy”) / Clipping of 物理学 (butsurigaku, “physics”).