Having power to melt or dissolve; as the dissolvent juices of the stomach.

Any thing which has the power or quality of melting, or converting a solid substance into a fluid, or of separating the parts of a fixed body so that they mix with a liquid; as, water is a dissolvent of salts and earths. It is otherwise called a menstruum.

In medicine, a remedy supposed capable of dissolving concretions in the body, such as calculi, tubercles.