Of, relating to, or utilizing the interaction of an electrically conducting fluid, such as a plasma or molten metal, with a magnetic field. Cf…

Of, relating to, or involving an electrically conducting fluid (as a plasma or molten metal) acted on by a magnetic field.

Of, relating to, or involving magnetohydrodynamic systems in a state of equilibrium, esp. where the fluid is confined by a magnetic field. Opposed to…

= magnetohydrodynamic, adj.