Unit Vectors. It is convenient to use vectors of unit length to specify the directions of vector quantities in the various coordinate systems. In cartesian coordinates it is typical to use i, j and k to represent unit vectors in the x, y and z directions respectively.nit Vectors. It is convenient to use vectors of unit length to specify the directions of vector quantities in the various coordinate systems. In cartesian coordinates it is typical to use i, j and k to represent unit vectors in the x, y and z directions respectively.
Freebase(0.00 / 0 votes)Rate this definition: The Enchantress is the name of two fictional characters in the Marvel Comics universe. The first of which is a powerful sorceress named Amora and is one of the most notable antagonists of Thor.
enchantment. n. 1. the act of enchanting or state of being enchanted. 2. a magic spell or act of witchcraft.3. great charm or fascination.eferences in classic literature? However he had nullified the force of the enchantment by prayer, and had killed my thirteen knights in a three hours' battle, and taken me prisoner, sparing my life in order that so strange a curiosity as I was might be exhibited to the wonder and admiration of the king and the court.