magnetic intensity

IMG:content-0822.png:[blocks in formation] 1. Of or pertaining to the magnet or magnetism; having the qualities of a magnet. 2. Pertaining to the earth's magnetism; as, the pa ed through the axis of a magnetic-needle, freely magnetic north. II. Fig .: Attractive, as if magnetic. "Days, months, and years Turn swift their various motions, or are turned By his magnetic beam." Milton: P. L. , iii. 583. *B. As subst .: Any metal, such as iron, steel, nickel, cobalt, ., which may receive the proper ties of the loadstone. "Draw out with credulous desire, As the magnetic hardest iron draws." Milton: P. R., ii. 168. (1) Magnetic points of consequence: The points (really the magnetic poles of the earth) which occupy the center of lines of equal dip. (2) Magnetic poles of the earth : Two nearly opposite points of the earth's surface when the dip of the needle is 90°. They are at a considerable distance from the poles of the earth. (3) Point of magnetic indifference : A point near the center of a magnet where no effect is produced. magnetic-amplitude, s . Astron.: The amplitude of a heavenly body as measured by the compa . It differs from the true amplitude by an amount equal to the variation of the compa .