Fairfield, California. Fairfield is a city in, and the county seat of, Solano County, California, United States.
governor of a fourth part. Dictionaries-Smith's Bible Dictionary-Tetrarch, properly the sovereign or governor of the fourth part of a country. (Matthew 14:1; Luke 3:1; 9:7; Acts 13:1) The title was, however, often applied to any one who governed a Roman province, of whatever size. The title of king was sometimes assigned to a tetrarch.
In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons) is a polyhedron composed of four triangular faces, three of which meet at each corner or vertex. It has six edges and four vertices. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces. The tetrahedron is the three-dimensional case of the more general concept of a Euclidean simplex.