What is the definition of distallation?

Answer 1

The boiling of a liquid and re-condensing of it's vapours.

Answer 2

Distillation is a process where a mixture is heated to separate its components based on differences in boiling points. As the mixture is heated, the component with the lower boiling point vaporizes first, then condenses back into a liquid form. This process allows for the purification or separation of liquids.