magnetic compass
Noun
Meaning
compass based on an indicator (as a magnetic needle) that points to the magnetic north
Source: WordNetSynonyms
Hypernyms
Hyponyms
Examples
Hikers and mountain climbers use wrist-mounted or hand-held altimeters, in addition to other navigational tools such as a map, magnetic compass, or GPS receiver.
Construction of a magnetic compass Magnetic needle A magnetic rod is required when constructing a compass.
Galvanometers developed from the observation that the needle of a magnetic compass is deflected near a wire that has electric current flowing through it, first described by Hans Oersted in 1820.
Kreutz, p. 370 mainMagnetic compass A military compass that was used during World War I The magnetic compass is the most familiar compass type.
Limitations of the magnetic compass The compass is very stable in areas close to the equator, which is far from "magnetic north".
The deflection of a magnetic compass needle by current in a wire was first described by Hans Oersted in 1820.