English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

transistor

tran-ZIHS-t
noun
1
A small semiconductor device used to amplify or switch electronic signals.
"Modern computer chips contain billions of tiny transistors."
2
Informal short form of "transistor radio."
"He listened to the match on an old transistor."

How to Use Transistor

Learner’s notes

In plain EnglishA tiny electronic switch that powers almost all modern electronics, or, informally, a portable radio.

Word Forms

transistors plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “transistor” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

Modern computer chips contain billions of tiny _____.

Etymology

A blend of "transfer" and "resistor," coined by American engineer John Robinson Pierce in 1947.

Definitions: FreeDict original editorial