Distillation

the volatilization or evaporation and subsequent condensation of a liquid, as when water is boiled in a retort and the steam is condensed in a cool receiver.

the purification or concentration of a substance, the obtaining of the essence or volatile properties contained in it, or the separation of one substance from another, by such a process.

a product of distilling; distillate.

the act or fact of distilling or the state of being distilled.

noun

cleansing , purification , refining