دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. an electronic device that resbicts current flow chiefly in one direction. 2. a radio tube that contains an anode and a cathode.

n: a solid (such as gennanium or silicon) whose electrical conductivity lies between that of a conductor and that of an insulator. Semiconductor materials are used in the manufacture of diode rectifiers, transistors, and integrated circuits.