.BDC File Extension

Dictionary file used by Babylon, an online translation tool; contains terms and definitions for a specific language, such as the Oxford English dictionary; used to lookup and search for the definitions of words within Babylon.

CAD file created by West Point Bridge Designer, a bridge drawing and engineering program; saves the bridge layout, including the dimensions, materials used, and the cost calculation; used for saving designs in educational settings.

Bridge designs can be simulated in the software to test the load bearing quality of the bridge. The simulation drives a virtual truck over the bridge.

NOTE: West Point Bridge Designer is the official software used for the West Point Bridge Design contest, which allows students to submit bridge designs for prizes.