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magnetise
magnetism
magnetite
magnetize
magneto
magneto-
magnetoelastic
magnetoelectronics
magnetograph
magnetohydrodynamics
magnetometer
magnetomotive
magnetomotive force
magneton
magnetopause
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magnetosphere
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magnetograph
mag·ne·to·graph [ mag ntō gràf ] (plural mag·ne·to·graphs)


noun 
Definition:
 
magnetic variation recorder: an instrument used to record variations in a magnetic field, usually that of the Earth
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