domain [dō`mān] COMPUTER SCIENCE The set of all possible values contained in a particular field for every record of a file. MATHEMATICS 1. For a function, the set of values of the independent variable. 2. A nonempty open connected set in euclidean space. Also known as region. 3. See <<Abelian field>> SOLID-STATE PHYSICS A region in a solid within which elementary atomic or molecular magnetic or electric moments are uniformly arrayed. |