معنی کلمه :‌ adarce

Pertaining to, or designating, a compound of tin (metastannic acid), obtained, as an isomeric modification of stannic acid, in the form of a white amorphous substance.

A saltish concretion on reeds and grass in marshy grounds in Galatia. It is soft and porous, and was formerly used for cleansing the skin from freckles and tetters, and also in leprosy.