Magma

Name:
Magma
Detailed information:
(1) In medicine, a class of preparations in which finely divided, freshly precipitated, insoluble, inorganic hydroxides are suspended in water to form a viscous, opaque mixture that may settle out on standing. Magmas of bismuth, magnesium, and iron are used, commonly called milk of bismuth, milk of magnesia, etc.(2) In geology, a molten mass within the earth's crust (e.g., lava). The source of igneous rock.