GHOST DANCE n.
A religious dance of the North American Indians, participated in by both sexes, and looked upon as a rite of invocation the purpose of which is, through trance and vision, to bring the dancer into communion with the unseen world and the spirits of departed friends. The dance is the chief rite of the Ghost-dance, or Mes…
IMPEDANCE n.
The apparent resistance in an electric circuit to the flow of an alternating current, analogous to the actual electrical resistance to a direct current, being the ratio of electromotive force to the current. It is equal to R2 + X2, where R = ohmic resistance, X = reactance. For an inductive circuit, X = 2pfL, where f =…