Tennessee Historical Commission marker at the north end of McSween Memorial Bridge (US-321) in Newport, Tennessee. The sign recalls the location of War Ford, 0.2 miles to the east along the Pigeon River. The ford was an important crossing along the Great Indian Warpath.
Definition: a substance in which the constituent atoms, molecules, or ions are packed in a regularly ordered, repeating three-dimensional pattern. Most crystals are solids.
natural science. n. 1. the sciences collectively that are involved in the study of the physical world and its phenomena, including biology, physics, chemistry, and geology, but excluding social sciences, abstract or theoretical sciences, such as mathematics, and applied sciences. 2. any one of these sciences.