Any circuit's black wire should be considered hot or live. Black wire is never used for a ground or neutral wire and should be used as the power feed for a switch or an outlet. A black wire is often used in a circuit as a switch leg, the connection that runs from the switch to the electrical load.
Medical Definition of distillation. 1  1: a process that consists of driving gas or vapor from liquids or solids by heating and condensing to liquid products and that is used especially for purification, fractionation, or the formation of new substances. 2  2: something distilled.
Distilled water is any water that has been purified using distillation. There are multiple types of distillation, but all of them depend on separating components of a mixture based on their different boiling points.In a nutshell, water is heated to its boiling point.n the other hand, if the initial water contained trace amounts of toxic organic compounds or heavy metals, you might want to drink distilled water rather than the source water. Generally, distilled water that you would find at a grocery store was made from drinking water, so it is fine to drink.