magnetic dip
61magnetic declination — noun The angle between the magnetic and geographical meridians at any place, expressed in degrees east or west to indicate the direction of magnetic north from true north. In nautical and aeronautical navigation, the term magnetic variation is… …
62dip — verb (dips, dipping, dipped) 1》 (dip something in/into) put or let something down quickly or briefly in or into (liquid). ↘make (a candle) by immersing a wick repeatedly in hot wax. 2》 sink, drop, or slope downwards. ↘(of a level or… …
63magnetic survey — ▪ geophysics one of the tools used by the exploration geophysicist in his search for mineral bearing ore bodies or even oil bearing sedimentary structures. The essential feature is the measurement of the magnetic field intensity and… …
64dip needle — an early form of magnetometer, consisting of a magnetic needle pivoted through its center of gravity and having its axis through the vertical plane of the earth s magnetic meridian so as to point in the direction of maximum magnetic intensity.… …
65magnetic element — /mægˌnɛtɪk ˈɛləmənt/ (say mag.netik eluhmuhnt) noun any one of the three quantities, magnetic declination, dip, or horizontal intensity, which define the earth s magnetic field at any point on the earth s surface …
66magnetic chart — noun : a chart showing the magnetic declination, inclination, or intensity over a given geographical area * * * Navig. a chart showing the magnetic properties of a portion of the earth s surface, as dip, variation, and intensity …
67dip circle — Inclinnometer In clin*nom e*ter, n. [Incline + meter.] (Magnetism) An apparatus to determine the inclination of the earth s magnetic force to the plane of the horizon; called also {inclination compass}, and {dip circle}. [1913 Webster] …
68dip angle — The angle of a compass needle between the horizontal and the vertical effects of a magnetic pole’s influence. See dip (i) …
69magnetic equator — A line drawn on a map or chart connecting all points at which the magnetic inclination (dip) is zero for a specified epoch. Also called aclinic line …
70magnetic equator — noun Date: 1832 an imaginary line roughly parallel to the geographical equator and passing through those points where a magnetic needle has no dip …
