| a soap made chiefly from potassium hydroxide and linseed oil, used in treating some skin diseases. |

| green soap n. A translucent, yellowish-green soft or liquid soap made chiefly from vegetable oils and used in the treatment of skin disorders. |
green soap n.
A translucent, yellowish-green soft or liquid soap made chiefly from vegetable oils and used in the treatment of skin disorders.