Three related abilities may be used in clairvoyant psychic readings: 1  Clairvoyance, or the ability to see clearly. 2  Clairaudience, or clear hearing.  Clairsentience, or clear feeling (physical or emotional), also known as clear knowing.
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency. Media having this common property may be termed dispersive media. Sometimes the term chromatic dispersion is used for specificity.
Definition: Distillation is the technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid. Examples: Pure water can be separated from salt water through distillation. Salt water is boiled to create water steam, but the salt remains in the solution.