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magistrature
maglev
magma
magma chamber
Magna Carta
magna cum laude
Magna Graecia
magnanimity
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magnetic compass

mag·net·ic com·pass (plural mag·net·ic com·pass·es)


noun 
Definition:
 
direction-finding instrument: an instrument used to indicate magnetic north and other directions, containing a magnetic needle that swings horizontally around a circle marked in degrees or with the points of the compass

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