dip equator
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dip needle — n. a freely rotating, magnetized needle used to indicate the direction of the earth s magnetism: it is horizontal at the magnetic equator (aclinic line) but vertical at the magnetic poles … English World dictionary
Magnetic dip — Illustration of magnetic dip from Norman s book, The Newe Attractive Magnetic dip or magnetic inclination is the angle made by a compass needle with the horizontal at any point on the Earth s surface. Positive values of inclination indicate that… … Wikipedia
Line of dip — Line Line, n. [OE. line, AS. l[=i]ne cable, hawser, prob. from L. linea a linen thread, string, line, fr. linum flax, thread, linen, cable; but the English word was influenced by F. ligne line, from the same L. word linea. See {Linen}.] 1. A… … The Collaborative International Dictionary of English
magnetic equator — n. An imaginary line paralleling the equator where a magnetic needle has no dip, the dipping needle being horizontal; called also {aclinic line}. [WordNet 1.5] … The Collaborative International Dictionary of English
angle of dip — noun (physics) the angle that a magnetic needle makes with the plane of the horizon • Syn: ↑dip, ↑magnetic dip, ↑magnetic inclination, ↑inclination • Derivationally related forms: ↑incline (for: ↑ … Useful english dictionary
magnetic equator — n. an imaginary line around the earth near the equator, where the lines of force of the earth s magnetic field are parallel with the surface of the earth and where a magnetic needle will consequently not dip * * * … Universalium
magnetic equator — n. an imaginary line around the earth near the equator, where the lines of force of the earth s magnetic field are parallel with the surface of the earth and where a magnetic needle will consequently not dip … English World dictionary
magnetic dip — The angle between the horizontal and the lines of force of the earth’s magnetic field at any point. Its value is the least at the equator and the maximum at the magnetic poles. Also called a dip, magnetic latitude, or magnetic inclination. See… … Aviation dictionary
magnetic 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 … New Collegiate Dictionary
magnetic equator — noun the irregular imaginary line, passing round the earth near the equator, on which a magnetic needle has no dip … English new terms dictionary
magnetic equator — noun an imaginary line paralleling the equator where a magnetic needle has no dip • Syn: ↑aclinic line • Hypernyms: ↑line … Useful english dictionary
