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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Berkeley researchers also helped develop FinFET, a three-dimensional transistor architecture. Aamir Khollam, Interesting Engineering, 11 Aug. 2026 Its chips never load the weights at all, because the weights are etched permanently into the transistors. Jon Markman, Forbes.com, 9 Aug. 2026 It is designed to improve interconnectivity and networking capabilities within data centers and operate at a scope surpassing current transistor technology and copper cable connections. Paxton Honerkamp, CNBC, 5 Aug. 2026 While severing thread-ectronics will destroy them, eutectogels are stable, soft enough to touch or connect to the human body, and allow transistor repair through the simple application of low heat. New Atlas, 2 Aug. 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 19 Aug. 2026.

Kids Definition

transistor

noun
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

: 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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