junction [`jǝŋk·shǝn] CIVIL ENGINEERING A point of intersection of roads or highways, especially where one terminates. ELECTRICITY See <<major node>> ELECTROMAGNETISM A fitting used to join a branch waveguide at an angle to a main waveguide, as in a tee junction. Also known as waveguide junction. ELECTRONICS A region of transition between two different semiconducting regions in a semiconductor device, such as a pn junction, or between a metal and a semiconductor. |