magnetohydrodynamics

from WordNet (r) 3.0 (2006)

magnetohydrodynamics
    n 1: the study of the interaction of magnetic fields and
         electrically conducting fluids (as plasma or molten metal)

from The Collaborative International Dictionary of English v.0.48

magnetohydrodynamics \mag*net"o*hy`dro*dy*nam"ics\, n.
   The study of the interaction of magnetic fields with
   electrically conductive fluids, such as a plasma or a molten
   metal.
   [WordNet 1.5]