magnetohydrodynamics: the study of the interaction of magnetic fields and electrically conducting fluids (as plasma or molten metal)
hydrodynamics: study of fluids in motion
solanaceae: large and economically important family of herbs or shrubs or trees often strongly scented and sometimes narcotic or poisonous; includes the genera Solanum, Atropa, Brugmansia, Capsicum, Datura, Hyoscyamus, Lycopersicon, Nicotiana, Petunia, Physalis, and Solandra