Hydrocephalus is a buildup of fluid inside the skull that leads to brain swelling. Hydrocephalus means water on the brain.
locant. (chemistry). The portion of a chemical name, usually a number or a letter, that designates the position of an atom or group of atoms in a formula unit. 1  Facebook. 2  Twitter.
The processes by which molten rock material, or magma, rises from the interior of the earth on to or towards its surface, and by which associated gases are released into the atmosphere are called Volcanism. The study of these processes, and of the structures, deposits, and landforms they create is called volcano logy.