transistor
US /trænˈzɪs.tɚ/
UK /trænˈzɪs.tɚ/
1.
a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
:
•
The radio circuit uses a small transistor.
•
Modern microchips contain billions of transistors.
2.
a portable radio receiver using transistors rather than vacuum tubes.
:
•
My grandfather still listens to news on his old transistor radio.
•
We used to carry a small transistor with us on camping trips.