magnetic compass
91compass north — noun the direction in which a compass needle points • Syn: ↑north, ↑magnetic north • Hypernyms: ↑direction * * * Navig. magnetic north, as indicated on a particular compass at a given moment …
92magnetic pole — 1. the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole). 2. either of the two points on the earth s surface where the dipping needle of a compass… …
93magnetic north — The direction to the north magnetic pole at a given place and time. This differs from the direction towards which the north end of a compass points by a small individual compass error and by the effect of any local magnetic attraction [25] …
94magnetic declination — 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 used… …
95magnetic 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… …
96compass — com•pass [[t]ˈkʌm pəs[/t]] n. 1) geo an instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north 2) sur Often, compasses. an instrument for drawing or describing circles, measuring… …
97compass — [[t]kʌ̱mpəs[/t]] compasses 1) N COUNT A compass is an instrument that you use for finding directions. It has a dial and a magnetic needle that always points to the north. We had to rely on a compass and a lot of luck to get here. 2) N PLURAL:… …
98magnetic course — noun : the course on which an airplane is intended to be flown that is measured from magnetic north and that is the true course as laid out on the chart * * * Navig. a course whose bearing is given relative to the magnetic meridian of the area.… …
99magnetic heading — The direction that an aircraft is pointing with respect to magnetic north. The magnetic heading is the compass heading corrected for deviation. See magnetic course …
100magnetic pole — UK / US noun [countable] Word forms magnetic pole : singular magnetic pole plural magnetic poles 1) science a place on the Earth near the North Pole or the South Pole that a compass points towards 2) physics either end of a magnet, where its… …
