transistor

noun

tran·​sis·​tor tran-ˈzi-stər How to pronounce transistor (audio)
tran(t)-ˈsi-
1
: a solid-state electronic device that is used to control the flow of electricity in electronic equipment and usually consists of a small block of a semiconductor (such as germanium) with at least three electrodes
2
: a transistorized radio

Examples of transistor in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In that environment, performance increasingly depends on the quality of the whole stack rather than a single transistor metric. Mark Greeven, Forbes.com, 27 June 2026 The 1-nm figure isn't really an accurate measure of the size of transistors anymore. Abhimanyu Ghoshal, New Atlas, 26 June 2026 The smaller the number, the more transistors can fit on a chip the size of a fingernail. CBS News, 25 June 2026 What’s more, IBM’s plans call for the transistor pair to be slightly staggered rather than directly in line as the monolithic process produces. IEEE Spectrum, 25 June 2026 See All Example Sentences for transistor

Word History

First Known Use

1948, in the meaning defined at sense 1

Time Traveler
The first known use of transistor was in 1948

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Cite this Entry

“Transistor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transistor. Accessed 30 Jun. 2026.

Kids Definition

transistor

noun
tran·​sis·​tor tranz-ˈis-tər How to pronounce transistor (audio)
tran(t)s-
1
: an electronic device that consists of a small block of a semiconductor (as germanium) with at least three electrodes and is used to control the flow of electricity in electronic equipment (as a radio or computer)
2
: a radio having transistors

called also transistor radio

Medical Definition

transistor

noun
tran·​sis·​tor tranz-ˈis-tər, tran(t)s- How to pronounce transistor (audio)
: a solid-state electronic device that is used to control the flow of electricity in electronic equipment and consists of a small block of a semiconductor (as germanium) with at least three electrodes

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