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magnetic needle
magnetic north
magnetic pole
magnetic recording
magnetic resonance imaging
magnetic reversal
magnetic sense
magnetic shunt
magnetic storm
magnetic stripe
magnetic susceptibility
magnetic tape
magnetic transition temperature
magnetic variation
magnetise
magnetism
magnetite
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magnetic storm
mag·net·ic storm (plural mag·net·ic storms)


noun 
Definition:
 
disturbance in Earth's magnetic field: a disturbance in the Earth's magnetic field associated with charged particles from solar flares and sunspot activity
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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