a chart showing the magnetic properties of a portion of the earth’s surface, as dip, variation, and intensity.
noun, Physics. 1. the closed path described by magnetic flux. It is analogous to the electric circuit with resistance, where flux, reluctance, and magnetomotive force correspond to electric current, resistance, and electromotive force.
noun 1. a compass having a magnetized needle generally in line with the magnetic poles of the earth. noun 1. a compass containing a magnetic needle pivoted in a horizontal plane, that indicates the direction of magnetic north at points on the earth’s surface
noun, Metallurgy. 1. beneficiation of crushed ore in which a magnetic mineral is separated from gangue by means of a magnetic field.
- Magnetic confinement
noun 1. another name for containment (sense 3)