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.
Definition of mixture. 1) A sample of matter composed of two or more substances, each of which retains its identity and properties. 2) an association of substances, which cannot be represented by a chemical formula.efinition of mixture. 1) A sample of matter composed of two or more substances, each of which retains its identity and properties. 2) an association of substances, which cannot be represented by a chemical formula.