Main Entry: tran·sis·tor

Pronunciation: \tran-ˈzis-tər, tran(t)-ˈsis-\

Function: noun

Etymology: ¹transfer + resistor; from its transferring an electrical signal across a resistor

Date: 1948

1 : a solid-state electronic device that is used to control the flow of electricity in electronic equipment and usually consists of a small block of a semiconductor (as germanium) with at least three electrodes
2 : a transistorized radio