| chord [kȯrd] ACOUSTICS A combination of two or more tones. AEROSPACE ENGINEERING 1. A straight line intersecting or touching an airfoil profile at two points. 2. Specifically, that part of such a line between two points of intersection. ARCHITECTURE The span of an arch. CIVIL ENGINEERING The top or bottom, generally horizontal member of a truss. MATHEMATICS A line segment which intersects a curve or surface only at the endpoints of the segment. |