Transistor
//tɹænˈzɪs.tɚ// noun, slang
noun, slang ·Moderate ·College level
Definitions
Noun
- 1 A solid-state semiconductor device, with three terminals, which can be used for amplification, switching, voltage stabilization, signal modulation, and many other functions.
"Switches and transistors control the flow of electricity like valves and faucets control water. Resistors limit the flow of electricity. […] Light is transmitted from the color LED, through the fiber optic cable, to control the NPN transistor (Q2) and red LED (D1)."
- 2 a semiconductor device capable of amplification wordnet
- 3 A transistor radio. dated, informal, metonymically
"Turn your transistor on and let the music play"
Example
More examples"The invention of the transistor introduced a new era."
Etymology
Blend of transfer + resistor. Said to have been coined by American engineer John Robinson Pierce in 1947, who used transresistance as the basis for forming transistor.
Related phrases
More for "transistor"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.