Athame - (According to the show) A double edged steel knife. A ceremonial tool used by witches to direct energy.
Auger Shell - Used to trap the immortality of a mermaid. Can kill if not used by an immortal being.
Aura - The energy that a person has flowing around his/her body, depending on the person's mood and personality the colour of the aura may change and the aura may be strong or weak.
Blinking - The ability to move from one place to another in the 'blink of an eye' by concentrating on a person or place. This is exclusively a warlock power. (However it is said that Matthew Tate copied it from a witch)
Book Of Shadows - A combination of spellbook, demonology and history. In this case of the Halliwell Family. It is a family heirloom dating back to the first witch of the Halliwell line, Melinda Warren. Each decendent has added their own spells and information to the Book. In the case of the sisters, it's where their powers were stored.
Charm - Either an amulet or talisman that has been charged by saying an incantation over it and instilling it with energy for a specific task.
Chevrons - The marks that form on the arm of a human who joins in the demon academy. The more tasks they perform, the more chevrons they get. When they get their sixth mark, which is usually by killing an innocent, they would graduate from the academy and become a full-fledged demon.
Clairvoyance/ Premonitions - The ability to see glimpses of the future/past. The visions are only of possible futures and may shift constantly
Cloaking - The ability to hide someone supernaturally from others.
Cloning - The ability to create a duplicate of yourself in the physical plane.
Coven - A group of witches who work together for magical endeavours or to perform religious ceremonies.
Deflection - The ability to deflect the powers of witches/warlocks away from yourself, and back onto the enemy.
Elasticity - The ability to stretch parts of the body out in an elastic fashion
Electricity Generation - The ability produce and channel electricity
Empathy - The ability to sense human emotions. The owner also has the ability to alter emotions or transmit their own onto others
Energy Balls - The ability to throw balls of energy, high or low-voltage.
Familiar - An animal that has a spiritual bond with a witch
Fear Amplification - The ability to find another's greatest fear and amplify it - sometimes bringing it to life
Fire-balls - The ability to throw balls of fire
Fire breathing - The ability to breathe fire.
Fire-throwing - The ability to throw streams of fire. It is an upper-level demonic power
Flame-in/out - To teleport with flames accompanying you
Flight - The ability to fly (similar to levitation)
Forcefield Generation - The ability create forcefields that block outside forces
Freezing Breath (Cryokinesis) - Blow cold breath
Freezing Power - Turns the target into ice
