water from which impurities as dissolved salts and colloidal particleshave been removed by one or more processes of distillation chemically pure water.

Application

Distilled water is a type of purified water that has had both contaminants and minerals removed. ... Distillation boils the water, and then condenses the steam back into a liquid to remove impurities and minerals. Deionization removes salt and other mineral ions (molecules) from water.