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noun B2 Upper-Intermediate Uncommon

transistor

tran-ZIHS-t

Transistor (noun) means a small semiconductor device used to amplify or switch electronic signals. Example: “Modern computer chips contain billions of tiny transistors.”

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

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Fill the gap

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Modern computer chips contain billions of tiny _____.

Etymology

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

· First attested 1947

Class of 1947 transistor joined the language around 1947.
See the full Class of 1947 →
junction transistor electronic transistor

Frequently asked questions

What does “transistor” mean?

The word “transistor” means a small semiconductor device used to amplify or switch electronic signals. In plain terms, a tiny electronic switch that powers almost all modern electronics, or, informally, a portable radio.

How do you pronounce “transistor”?

“Transistor” is pronounced tran-ZIHS-t (/tɹænˈzɪs.tɚ/ in IPA).

How do you use “transistor” in a sentence?

Here is “transistor” used in a sentence: “Modern computer chips contain billions of tiny transistors.”

What part of speech is “transistor”?

“Transistor” is a noun.

Where does the word “transistor” come from?

The word “transistor” dates back to around 1947. A blend of "transfer" and "resistor," coined by American engineer John Robinson Pierce in 1947.

Is “transistor” a common word?

“Transistor” is an uncommon word in modern English, usually learned at around the B2 level.

How many meanings does “transistor” have?

“Transistor” has 2 distinct senses listed in this dictionary. The most common is: a small semiconductor device used to amplify or switch electronic signals.

Definitions: FreeDict original editorial