magnetic compass
11magnetic compass — noun An instrument containing a freely suspended magnetic element which displays the direction of the horizontal component of the Earth’s magnetic field at the point of observation …
12magnetic compass — An instrument containing a freely suspended magnetic element which displays the direction of the horizontal component of the Earth …
13magnetic compass — device used to determine direction by using a metal needle that always points toward the north …
14magnetic needle — n. A slender magnet suspended in a magnetic compass on a low friction mounting; used to indicate the direction of the earth s magnetic pole. [WordNet 1.5] …
15magnetic needle — n. a slender bar of magnetized steel which, when mounted so as to swing freely on a pivot, will point along the line of the magnetic meridian toward the magnetic poles, approximately north and south: it is the essential part of a magnetic compass …
16magnetic pole — n. 1. either pole of a magnet, where the magnetic lines of force seem to be concentrated 2. either point on the earth s surface toward which the needle of a magnetic compass points: the north and south magnetic poles do not precisely coincide… …
17Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
18Magnetic declination — Example of magnetic declination showing a compass needle with a positive (or easterly ) variation from geographic north. Magnetic declination is the angle between magnetic north (the direction the north end of a compass needle points) and true… …
19compass — compassable, adj. compassless, adj. /kum peuhs/, n. 1. an instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north. 2. the enclosing line or limits of any area; perimeter: You can… …
20Magnetic deviation — Deviation table for steering compass on Dar Młodzieży Magnetic deviation is the error induced in a compass by local magnetic fields, which must be allowed for, along with magnetic declination, if accurate bearings are to be calculated. In… …
