Transistor

/trænˈzɪstər/

Meaning & Definition

noun
A semiconductor device that can amplify or switch electronic signals and electrical power.
The radio works better now that I've replaced the faulty transistor.
A crucial component in modern electronic devices, allowing for the miniaturization of circuits.
Transistors are used in computers to process information.
A basic building block of modern electronic systems used in signal modulation.
The operation of a transistor is fundamental to understanding electronics.
An electronic switch that can increase the power or signal from a circuit.
The amplifier circuit uses transistors to boost sound signals.
A device that relies on the flow of current through a semiconductor material.
Silicon transistors have largely replaced vacuum tubes in most applications.

Etymology

The term 'transistor' is a portmanteau of 'transfer' and 'resistor'.

Common Phrases and Expressions

bipolar transistor
A type of transistor that uses both electron and hole charge carriers.
field-effect transistor (FET)
A type of transistor that relies on an electric field to control the flow of current.

Related Words

semiconductor
A material that has electrical conductivity between a conductor and an insulator.
microchip
A small semiconductor device containing integrated circuits.

Slang Meanings

Transistor radio
He listens to music on his old transistor radio.
Transistor effect
The transistor effect allows for much smaller devices in modern technology.