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
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The company says its current chip is 58 times larger than an Nvidia processor called the B200, carrying 19 times more transistors and 250 times more memory. Jordan Novet, CNBC, 10 June 2026 Quantum computing today feels somewhat akin to classical computing before the advent of the transistor. Paul Lipman, Forbes.com, 10 June 2026 The approach helps normalize temperature across the device, letting the transistors approach peak performance without reducing reliability. Atharva Gosavi, Interesting Engineering, 8 June 2026 Domestic capabilities are the foundation American ingenuity was a genesis for AI, from the invention of the transistor to the development of the transformer, which enables large language models. Olivia White, Time, 29 May 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 15 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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