a device designed to transmit electricity, heat, etc.

a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities

electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit

a semiconductor that consists of a p-n junction

a semiconductor in which electrical conduction is due chiefly to the movement of electrons

a semiconductor in which electrical conduction is due chiefly to the movement of positive holes

a semiconductor device made of materials whose resistance varies as a function of temperature; can be used to compensate for temperature variation in other components of a circuit

a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities