The Gadsden Purchase was a strip of territory the United States purchased from Mexico following negotiations in 1853. The land was purchased because it was considered to be a good route for a railroad across the Southwest to California.
Bolognese. adj. 1. (Placename) of or relating to Bologna or its inhabitants. n. 2. (Placename) a native or inhabitant of Bologna. (ËboÊ lÉËniz, -Ënis, -lÉnËyiz, -Ëyis). adj., n., pl. -gnese. adj.
Boron (IPA: /ËbÉËrÉn/) is a chemical element with atomic number 5 and the chemical symbol B. A trivalent compound containing boron occurs abundantly in the ore borax. Boron is never found free in nature, and is a non-metal. Several allotropes of boron exist; amorphous boron is a brown powder, though crystalline boron is black, hard (9.3 on Mohs' scale), and a weak conductor at room temperature.