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n. (used with a sing. verb)
The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma. Also called hydromagnetics.
n (functioning as singular)Abbreviation: MHD
1. (General Physics) the study of the behaviour of conducting fluids, such as liquid metals or plasmas, in magnetic fields
2. (General Physics) the generation of electricity by subjecting a plasma to a magnetic field and collecting the deflected free electrons