麦ばく飯はん石せき

noun

maifan stone

A type of mineral stone used in water purification, cooking, and health products. The term is a direct borrowing from Chinese and is used in technical and commercial contexts.

• 麦ばく飯はん石せきは水みずを浄じょう化かする効こう果かがあると言いわれている。

  Maifan stone is said to have the effect of purifying water.