緑りょく石せっ鹸けん

noun

green soap; medicinal soft soap

A potassium-based soft soap, often greenish in color, used medicinally or as a base for other preparations. The term is technical and primarily encountered in pharmaceutical or historical contexts.

• 薬やっ局きょくで緑りょく石せっ鹸けんを購こう入にゅうした。

  I bought green soap at the pharmacy.